Annotation of parser3/src/classes/file.C, revision 1.178
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:
1.178 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2008-08-29 08:24:17 $";
1.47 parser 9:
10: #include "pa_config_includes.h"
11:
1.35 paf 12: #include "classes.h"
1.111 paf 13: #include "pa_vmethod_frame.h"
14:
1.1 paf 15: #include "pa_request.h"
16: #include "pa_vfile.h"
1.11 paf 17: #include "pa_table.h"
1.21 paf 18: #include "pa_vint.h"
1.24 paf 19: #include "pa_exec.h"
1.40 parser 20: #include "pa_vdate.h"
1.47 parser 21: #include "pa_dir.h"
22: #include "pa_vtable.h"
1.67 paf 23: #include "pa_charset.h"
1.109 paf 24: #include "pa_charsets.h"
1.121 paf 25: #include "pa_sql_connection.h"
1.147 misha 26: #include "pa_md5.h"
1.1 paf 27:
1.32 paf 28: // defines
29:
1.48 parser 30: #define TEXT_MODE_NAME "text"
1.125 paf 31: #define BINARY_MODE_NAME "binary"
1.90 paf 32: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 33: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 34:
1.131 paf 35: #define NAME_NAME "name"
36:
1.132 paf 37: // externs
38:
39: extern String sql_limit_name;
40: extern String sql_offset_name;
41:
1.111 paf 42: // class
43:
44: class MFile: public Methoded {
45: public: // VStateless_class
46:
1.134 paf 47: Value* create_new_value(Pool&, HashStringValue&) { return new VFile(); }
1.111 paf 48:
49: public: // Methoded
50: bool used_directly() { return true; }
51:
52: public:
53: MFile();
54:
55: };
56:
57: // global variable
58:
59: DECLARE_CLASS_VAR(file, new MFile, 0);
60:
1.83 paf 61: // consts
62:
63: /// from apache-1.3|src|support|suexec.c
1.111 paf 64: static const char* suexec_safe_env_lst[]={
1.83 paf 65: "AUTH_TYPE",
66: "CONTENT_LENGTH",
67: "CONTENT_TYPE",
68: "DATE_GMT",
69: "DATE_LOCAL",
70: "DOCUMENT_NAME",
71: "DOCUMENT_PATH_INFO",
72: "DOCUMENT_ROOT",
73: "DOCUMENT_URI",
74: "FILEPATH_INFO",
75: "GATEWAY_INTERFACE",
76: "LAST_MODIFIED",
77: "PATH_INFO",
78: "PATH_TRANSLATED",
79: "QUERY_STRING",
80: "QUERY_STRING_UNESCAPED",
81: "REMOTE_ADDR",
82: "REMOTE_HOST",
83: "REMOTE_IDENT",
84: "REMOTE_PORT",
85: "REMOTE_USER",
86: "REDIRECT_QUERY_STRING",
87: "REDIRECT_STATUS",
88: "REDIRECT_URL",
89: "REQUEST_METHOD",
90: "REQUEST_URI",
91: "SCRIPT_FILENAME",
92: "SCRIPT_NAME",
93: "SCRIPT_URI",
94: "SCRIPT_URL",
95: "SERVER_ADMIN",
96: "SERVER_NAME",
97: "SERVER_ADDR",
98: "SERVER_PORT",
99: "SERVER_PROTOCOL",
100: "SERVER_SOFTWARE",
101: "UNIQUE_ID",
102: "USER_NAME",
103: "TZ",
104: NULL
105: };
106:
1.111 paf 107: // statics
1.33 paf 108:
1.112 paf 109: static const String::Body adate_name("adate");
110: static const String::Body mdate_name("mdate");
111: static const String::Body cdate_name("cdate");
1.32 paf 112:
1.1 paf 113: // methods
114:
1.161 misha 115: static bool is_valid_mode (const String& mode) {
116: return (mode==TEXT_MODE_NAME || mode==BINARY_MODE_NAME);
117: }
118:
1.125 paf 119: static bool is_text_mode(const String& mode) {
120: if(mode==TEXT_MODE_NAME)
121: return true;
122: if(mode==BINARY_MODE_NAME)
123: return false;
1.156 misha 124: throw Exception(PARSER_RUNTIME,
1.125 paf 125: &mode,
126: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
127: }
128:
1.111 paf 129: static void _save(Request& r, MethodParams& params) {
1.161 misha 130: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 131: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 132:
1.7 paf 133: // save
1.111 paf 134: GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()),
1.125 paf 135: is_text_mode(vmode_name.as_string()));
1.7 paf 136: }
137:
1.111 paf 138: static void _delete(Request& r, MethodParams& params) {
1.152 misha 139: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 140:
141: // unlink
1.68 paf 142: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 143: }
144:
1.111 paf 145: static void _move(Request& r, MethodParams& params) {
146: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
147: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 148:
1.51 parser 149: // move
1.68 paf 150: file_move(
1.45 parser 151: r.absolute(vfrom_file_name.as_string()),
152: r.absolute(vto_file_name.as_string()));
153: }
154:
1.148 misha 155: static void copy_process_source(
156: struct stat& ,
157: int from_file,
158: const String& , const char* /*fname*/, bool,
159: void *context) {
160: int& to_file=*static_cast<int *>(context);
161:
162: int nCount=0;
163: do {
164: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 165: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 166: int written=write(to_file, buffer, nCount);
167: if( written < 0 )
168: throw Exception(0,
169: 0,
170: "write failed: %s (%d)", strerror(errno), errno);
171:
172: } while(nCount > 0);
173: }
174:
175: static void copy_open_target(int f, void *from_spec) {
176: String& file_spec=*static_cast<String *>(from_spec);
177: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
178: };
179:
180: static void _copy(Request& r, MethodParams& params) {
181: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
182: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
183:
184: String from_spec = r.absolute(vfrom_file_name.as_string());
185: const String& to_spec = r.absolute(vto_file_name.as_string());
186:
187: file_write_action_under_lock(
188: to_spec,
189: "copy",
190: copy_open_target,
1.149 misha 191: &from_spec);
1.148 misha 192: }
193:
1.111 paf 194: static void _load_pass_param(
195: HashStringValue::key_type key,
196: HashStringValue::value_type value,
197: HashStringValue *dest) {
198: dest->put(key, value);
199: }
200: static void _load(Request& r, MethodParams& params) {
1.161 misha 201: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 202: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.111 paf 203: Value* third_param=params.count()>2?¶ms.as_no_junction(2, "filename or options must not be code")
204: :0;
205: HashStringValue* third_param_hash=third_param?third_param->get_hash():0;
206: size_t alt_filename_param_index=2;
1.104 paf 207: if(third_param_hash)
208: alt_filename_param_index++;
1.9 paf 209:
1.132 paf 210: HashStringValue* options=third_param_hash;
211: size_t offset=0;
212: size_t limit=0;
213: if(options) {
214: options=new HashStringValue(*options);
215: if(Value *voffset=(Value *)options->get(sql_offset_name)) {
216: offset=r.process_to_value(*voffset).as_int();
217: }
218: if(Value *vlimit=(Value *)options->get(sql_limit_name)) {
219: limit=r.process_to_value(*vlimit).as_int();
220: }
221: // no check on options count here, see file_read
222: }
1.111 paf 223: File_read_result file=file_read(r.charsets, lfile_name,
1.125 paf 224: is_text_mode(vmode_name.as_string()),
1.132 paf 225: options, true, 0, offset, limit
1.104 paf 226: );
1.9 paf 227:
1.111 paf 228: const char *user_file_name=params.count()>alt_filename_param_index?
1.152 misha 229: params.as_string(alt_filename_param_index, FILE_NAME_MUST_BE_STRING).cstr()
1.111 paf 230: :lfile_name.cstr(String::L_FILE_SPEC);
231:
232: Value* vcontent_type=0;
1.168 misha 233: if(file.headers){
1.129 paf 234: if(Value* remote_content_type=file.headers->get("CONTENT-TYPE"))
235: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
236: }
1.104 paf 237: if(!vcontent_type)
1.111 paf 238: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 239:
1.111 paf 240: VFile& self=GET_SELF(r, VFile);
241: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 242:
243: if(file.headers){
1.143 paf 244: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 245: } else {
246: size_t size;
247: time_t atime, mtime, ctime;
248:
1.169 misha 249: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 250:
251: HashStringValue& ff=self.fields();
252: ff.put(adate_name, new VDate(atime));
253: ff.put(mdate_name, new VDate(mtime));
254: ff.put(cdate_name, new VDate(ctime));
255: }
256:
1.9 paf 257: }
258:
1.138 paf 259: static void _create(Request& r, MethodParams& params) {
1.161 misha 260: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.138 paf 261: if(!is_text_mode(vmode_name.as_string()))
1.156 misha 262: throw Exception(PARSER_RUNTIME,
1.138 paf 263: 0,
264: "only text mode is currently supported");
265:
266: const char* user_file_name_cstr=r.absolute(
1.152 misha 267: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).cstr(String::L_FILE_SPEC);
1.138 paf 268:
269: const String& content=params.as_string(2, "content must be string");
270: const char* content_cstr=content.cstr(String::L_UNSPECIFIED); // explode content, honor tainting changes
271:
272: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
273:
274: VFile& self=GET_SELF(r, VFile);
275: self.set(true/*tainted*/, content_cstr, strlen(content_cstr), user_file_name_cstr, vcontent_type);
276: }
277:
1.111 paf 278: static void _stat(Request& r, MethodParams& params) {
1.152 misha 279: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 280:
281: const String& lfile_name=vfile_name.as_string();
282:
1.40 parser 283: size_t size;
284: time_t atime, mtime, ctime;
285: file_stat(r.absolute(lfile_name),
286: size,
287: atime, mtime, ctime);
1.25 paf 288:
1.167 misha 289: const char* user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
290:
1.111 paf 291: VFile& self=GET_SELF(r, VFile);
1.167 misha 292:
293: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 294: HashStringValue& ff=self.fields();
295: ff.put(adate_name, new VDate(atime));
296: ff.put(mdate_name, new VDate(mtime));
297: ff.put(cdate_name, new VDate(ctime));
1.25 paf 298: }
299:
1.111 paf 300: static bool is_safe_env_key(const char* key) {
301: for(const char* validator=key; *validator; validator++) {
302: char c=*validator;
303: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
304: return false;
305: }
1.88 paf 306: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 307: return true;
1.87 paf 308: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 309: return true;
310: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 311: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 312: return true;
313: }
314: return false;
315: }
1.90 paf 316: #ifndef DOXYGEN
317: struct Append_env_pair_info {
1.141 paf 318: Request_charsets* charsets;
1.111 paf 319: HashStringString* env;
1.100 paf 320: Value* vstdin;
1.90 paf 321: };
322: #endif
1.111 paf 323: static void append_env_pair(
324: HashStringValue::key_type akey,
325: HashStringValue::value_type avalue,
326: Append_env_pair_info *info) {
327: if(akey==STDIN_EXEC_PARAM_NAME) {
328: info->vstdin=avalue;
329: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 330: // ignore, already processed
1.90 paf 331: } else {
1.111 paf 332: if(!is_safe_env_key(akey.cstr()))
1.156 misha 333: throw Exception(PARSER_RUNTIME,
1.111 paf 334: new String(akey, String::L_TAINTED),
1.90 paf 335: "not safe environment variable");
1.141 paf 336: info->env->put(akey, avalue->as_string().cstr_to_string_body(String::L_UNSPECIFIED, 0, info->charsets));
1.90 paf 337: }
1.22 paf 338: }
1.94 paf 339: #ifndef DOXYGEN
340: struct Pass_cgi_header_attribute_info {
1.111 paf 341: Charset* charset;
342: HashStringValue* fields;
343: Value* content_type;
1.94 paf 344: };
345: #endif
1.111 paf 346: static void pass_cgi_header_attribute(
347: ArrayString::element_type astring,
348: Pass_cgi_header_attribute_info* info) {
349: size_t colon_pos=astring->pos(':');
1.130 paf 350: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 351: const String& key=astring->mid(0, colon_pos).change_case(
352: *info->charset, String::CC_UPPER);
1.130 paf 353: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 354: info->fields->put(key, value);
1.94 paf 355: if(key=="CONTENT-TYPE")
1.111 paf 356: info->content_type=value;
1.94 paf 357: }
1.29 paf 358: }
1.155 misha 359:
360: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
361: if( str->length() ){
362: argv+=new String(str->cstr_to_string_body(String::L_UNSPECIFIED, 0, &r.charsets), String::L_AS_IS);
363: }
364: }
365:
1.90 paf 366: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.111 paf 367: static void _exec_cgi(Request& r, MethodParams& params,
1.41 parser 368: bool cgi) {
1.21 paf 369:
1.162 misha 370: Value& first_param=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE);
371:
372: bool is_mode_specified=is_valid_mode(first_param.as_string());
373: const String& mode_name=(is_mode_specified) ? first_param.as_string() : *new String(TEXT_MODE_NAME);
374:
375: size_t param_index=1;
376: if(!is_mode_specified){
377: --param_index;
378: }
379:
380: if(param_index>=params.count())
381: throw Exception(PARSER_RUNTIME,
382: 0,
383: "file name must be specified");
384:
385:
386: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 387:
1.23 paf 388: const String& script_name=r.absolute(vfile_name.as_string());
389:
1.111 paf 390: HashStringString env;
1.62 paf 391: #define ECSTR(name, value_cstr) \
1.111 paf 392: if(value_cstr) \
393: env.put( \
1.112 paf 394: String::Body(#name), \
395: String::Body(value_cstr, 0)); \
1.82 paf 396: // passing SAPI::environment
1.111 paf 397: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
398: while(const char* pair=*pairs++)
399: if(const char* eq_at=strchr(pair, '='))
400: if(eq_at[1]) // has value
401: env.put(
402: pa_strdup(pair, eq_at-pair),
403: pa_strdup(eq_at+1, 0));
1.82 paf 404: }
405:
1.23 paf 406: // const
1.63 paf 407: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 408: // from Request.info
1.111 paf 409: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
410: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
411: ECSTR(REQUEST_METHOD, r.request_info.method);
412: ECSTR(QUERY_STRING, r.request_info.query_string);
413: ECSTR(REQUEST_URI, r.request_info.uri);
414: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.23 paf 415: char content_length_cstr[MAX_NUMBER];
1.111 paf 416: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length);
417: //String content_length(content_length_cstr);
1.62 paf 418: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 419: // SCRIPT_*
1.119 paf 420: env.put(String::Body("SCRIPT_NAME"), script_name);
421: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 422:
1.111 paf 423: bool stdin_specified=false;
1.90 paf 424: // environment & stdin from param
1.111 paf 425: String *in=new String();
1.109 paf 426: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 427: if(param_index < params.count()) {
428: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 429: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 430: // $.charset [previewing to handle URI pieces]
431: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
432: charset=&charsets.get(vcharset->as_string()
433: .change_case(r.charsets.source(), String::CC_UPPER));
434:
435: // $.others
436: Append_env_pair_info info={&r.charsets, &env, 0};
437: {
1.144 paf 438: // influence tainting
439: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 440: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 441: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 442: }
1.109 paf 443: // $.stdin
1.103 paf 444: if(info.vstdin) {
1.111 paf 445: stdin_specified=true;
446: if(const String* sstdin=info.vstdin->get_string()) {
447: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 448: } else
1.111 paf 449: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
450: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 451: else
1.156 misha 452: throw Exception(PARSER_RUNTIME,
1.111 paf 453: 0,
1.100 paf 454: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 455: }
1.90 paf 456: }
1.21 paf 457: }
458:
1.90 paf 459: // argv from params
1.111 paf 460: ArrayString argv;
1.162 misha 461: if(param_index < params.count()) {
1.144 paf 462: // influence tainting
463: // main target -- URLencoding of tainted pieces to String::L_URI lang
464: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 465:
1.162 misha 466: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 467: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 468: if(param.is_defined()){
469: if(param.is_string()){
1.155 misha 470: append_to_argv(r, argv, param.get_string());
1.154 misha 471: } else {
1.155 misha 472: Table* table=param.get_table();
473: if(table){
474: for(size_t i=0; i<table->count(); i++) {
475: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 476: }
477: } else {
1.156 misha 478: throw Exception(PARSER_RUNTIME,
1.154 misha 479: 0,
1.162 misha 480: "param must be string or table");
1.154 misha 481: }
482: }
1.145 misha 483: }
1.144 paf 484: }
1.21 paf 485: }
1.90 paf 486:
1.109 paf 487: // transcode if necessary
488: if(charset) {
1.111 paf 489: Charset::transcode(env, r.charsets.source(), *charset);
490: Charset::transcode(argv, r.charsets.source(), *charset);
491: in=&Charset::transcode(*in, r.charsets.source(), *charset);
492: }
493: // @todo
494: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
495: // match silent conversion in OS
496:
497: // exec!
1.163 misha 498: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 499:
1.162 misha 500: File_read_result *file_out=&execution.out;
1.111 paf 501: String *real_err=&execution.err;
1.162 misha 502:
1.165 misha 503: // transcode err if necessary (@todo: need fix line breaks in err as well )
504: if(charset)
505: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
506:
1.163 misha 507: if(file_out->length && is_text_mode(mode_name)){
1.162 misha 508: fix_line_breaks(file_out->str, file_out->length);
509: // treat output as string
510: String *real_out = new String(file_out->str, file_out->length);
511:
1.165 misha 512: // transcode out if necessary
513: if(charset)
1.162 misha 514: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 515:
1.162 misha 516: // FIXME: unsafe cast
1.163 misha 517: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 518: file_out->length = real_out->length();
1.109 paf 519: }
520:
1.111 paf 521: VFile& self=GET_SELF(r, VFile);
1.109 paf 522:
1.162 misha 523: if(cgi) { // ^file::cgi
1.163 misha 524: const char* eol_marker=0;
525: size_t eol_marker_size;
526:
1.111 paf 527: // construct with 'out' body and header
1.165 misha 528: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
529: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 530:
531: bool unix_header_break;
532: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 533: case 10: // dos
534: unix_header_break=false;
535: break;
536: case 01: // unix
537: unix_header_break=true;
538: break;
539: case 11: // dos & unix
540: unix_header_break=unix_pos<dos_pos;
541: break;
542: default: // 00
543: unix_header_break=false; // calm down, compiler
544: throw Exception(0,
545: 0,
546: "output does not contain CGI header; "
547: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
548: execution.status,
1.165 misha 549: (size_t)file_out->length, (file_out->length) ? (file_out->str) : "",
550: (size_t)real_err->length(), real_err->cstr());
1.166 misha 551: break; //never reached
1.111 paf 552: }
553:
1.165 misha 554: size_t header_break_pos;
1.111 paf 555: if(unix_header_break) {
556: header_break_pos=unix_pos;
1.165 misha 557: eol_marker="\n";
558: eol_marker_size=1;
1.111 paf 559: } else {
560: header_break_pos=dos_pos;
1.165 misha 561: eol_marker="\r\n";
562: eol_marker_size=2;
1.111 paf 563: }
1.21 paf 564:
1.162 misha 565: file_out->str[header_break_pos] = 0;
566: String *header=new String(file_out->str, header_break_pos);
567: unsigned long headersize = header_break_pos+eol_marker_size*2;
568: file_out->str += headersize;
569: file_out->length -= headersize;
570:
1.164 misha 571: // $body
572: self.set(false/*not tainted*/, file_out->str, file_out->length);
573:
1.162 misha 574: // $fields << header
575: if(header && eol_marker) {
576: ArrayString rows;
577: size_t pos_after=0;
578: header->split(rows, pos_after, eol_marker);
579: Pass_cgi_header_attribute_info info={0, 0, 0};
580: info.charset=&r.charsets.source();
581: info.fields=&self.fields();
582: rows.for_each(pass_cgi_header_attribute, &info);
583: if(info.content_type)
584: self.fields().put(content_type_name, info.content_type);
585: }
1.164 misha 586: } else { // ^file::exec
1.166 misha 587: // $body
588: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 589: }
1.163 misha 590:
1.42 parser 591: // $status
1.111 paf 592: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 593:
594: // $stderr
1.111 paf 595: if(real_err->length())
1.21 paf 596: self.fields().put(
1.119 paf 597: String::Body("stderr"),
1.111 paf 598: new VString(*real_err));
1.21 paf 599: }
1.111 paf 600: static void _exec(Request& r, MethodParams& params) {
601: _exec_cgi(r, params, false);
1.41 parser 602: }
1.111 paf 603: static void _cgi(Request& r, MethodParams& params) {
604: _exec_cgi(r, params, true);
1.41 parser 605: }
606:
1.111 paf 607: static void _list(Request& r, MethodParams& params) {
608: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 609:
1.111 paf 610: const String* regexp;
1.175 misha 611: pcre *regexp_code;
1.81 paf 612: const int ovecsize=(1/*match*/)*3;
613: int ovector[ovecsize];
1.111 paf 614: if(params.count()>1) {
615: regexp=¶ms.as_no_junction(1, "regexp must not be code").as_string();
1.47 parser 616:
1.177 misha 617: const char* pattern=regexp->cstr(String::L_UNSPECIFIED);
1.111 paf 618: const char* errptr;
1.47 parser 619: int erroffset;
1.175 misha 620: int options=PCRE_EXTRA | PCRE_DOTALL;
621: if(r.charsets.source().isUTF8())
622: options=options|PCRE_UTF8;
623:
624: regexp_code=pcre_compile(pattern, options,
1.47 parser 625: &errptr, &erroffset,
1.111 paf 626: r.charsets.source().pcre_tables);
1.47 parser 627:
628: if(!regexp_code)
1.178 ! misha 629: throw Exception(PCRE_EXCEPTION_TYPE,
1.111 paf 630: ®exp->mid(erroffset, regexp->length()),
1.47 parser 631: "regular expression syntax error - %s", errptr);
1.114 paf 632: } else {
633: regexp=0; // not used, just to calm down compiler
1.47 parser 634: regexp_code=0;
1.114 paf 635: }
1.47 parser 636:
637:
1.111 paf 638: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).cstr(String::L_FILE_SPEC);
1.47 parser 639:
1.111 paf 640: Table::columns_type columns(new ArrayString);
641: *columns+=new String("name");
642: Table& table=*new Table(columns);
1.47 parser 643:
644: LOAD_DIR(absolute_path_cstr,
1.111 paf 645: const char* file_name_cstr=ffblk.ff_name;
646: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 647: bool suits=true;
648: if(regexp_code) {
1.175 misha 649: int exec_result=pcre_exec(regexp_code, 0,
1.47 parser 650: ffblk.ff_name, file_name_size, 0,
651: 0, ovector, ovecsize);
652:
653: if(exec_result==PCRE_ERROR_NOMATCH)
654: suits=false;
655: else if(exec_result<0) {
1.175 misha 656: (*pcre_free)(regexp_code);
1.178 ! misha 657: throw Exception(PCRE_EXCEPTION_TYPE,
1.176 misha 658: regexp,
659: print_pcre_exec_error_text(exec_result),
1.47 parser 660: exec_result);
661: }
662: }
663:
664: if(suits) {
1.111 paf 665: Table::element_type row(new ArrayString);
666: *row+=new String(pa_strdup(file_name_cstr, file_name_size), file_name_size, true);
667: table+=row;
1.47 parser 668: }
669: );
670:
671: if(regexp_code)
1.175 misha 672: pcre_free(regexp_code);
1.47 parser 673:
1.60 parser 674: // write out result
1.111 paf 675: r.write_no_lang(*new VTable(&table));
1.47 parser 676: }
1.21 paf 677:
1.69 paf 678: #ifndef DOXYGEN
679: struct Lock_execute_body_info {
1.111 paf 680: Request* r;
681: Value* body_code;
1.69 paf 682: };
683: #endif
1.111 paf 684: static void lock_execute_body(int , void *ainfo) {
685: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 686: // execute body
1.78 paf 687: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 688: };
1.111 paf 689: static void _lock(Request& r, MethodParams& params) {
1.152 misha 690: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 691: Lock_execute_body_info info={
692: &r,
1.117 paf 693: ¶ms.as_junction(1, "body must be code")
1.116 paf 694: };
1.69 paf 695:
1.158 misha 696: file_write_action_under_lock(
697: file_spec,
698: "lock",
699: lock_execute_body,
700: &info);
1.69 paf 701: }
702:
1.111 paf 703: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 704: size_t size=0; // just to calm down compiler
1.89 paf 705: if(beforelast)
1.111 paf 706: size=s.length();
1.116 paf 707: size_t at;
1.112 paf 708: while((at=s.pos(String::Body(substr, substr_size), after))!=STRING_NOT_FOUND) {
1.89 paf 709: size_t newafter=at+substr_size/*skip substr*/;
710: if(beforelast && newafter==size)
711: break;
712: after=newafter;
713: }
714:
715: return after;
716: }
717:
1.111 paf 718: static void _find(Request& r, MethodParams& params) {
1.152 misha 719: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 720: const String* file_spec;
1.90 paf 721: if(file_name.first_char()=='/')
722: file_spec=&file_name;
723: else
1.111 paf 724: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 725:
726: // easy way
1.142 paf 727: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 728: r.write_assign_lang(*file_spec);
1.90 paf 729: return;
730: }
731:
732: // monkey way
733: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 734: const String* dirname=&file_spec->mid(0, after_base_slash);
735: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 736:
737: int after_monkey_slash;
738: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 739: String test_name;
740: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
741: test_name<<basename;
1.142 paf 742: if(file_exist(r.absolute(test_name))) {
1.111 paf 743: r.write_assign_lang(test_name);
1.90 paf 744: return;
745: }
746: }
747:
748: // no way, not found
1.111 paf 749: if(params.count()==2) {
750: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 751: r.write_pass_lang(r.process(not_found_code));
752: }
753: }
754:
1.111 paf 755: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 756: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 757: // /a/some.tar.gz > /a
758: // /a/b/ > /a
759: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
760: if(afterslash>0)
761: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
762: else
1.111 paf 763: r.write_assign_lang(String(".", 1));
1.89 paf 764: }
765:
1.111 paf 766: static void _basename(Request& r, MethodParams& params) {
1.152 misha 767: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 768: // /a/some.tar.gz > some.tar.gz
769: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 770: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 771: }
772:
1.111 paf 773: static void _justname(Request& r, MethodParams& params) {
1.152 misha 774: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 775: // /a/some.tar.gz > some.tar
776: int afterslash=lastposafter(file_spec, 0, "/", 1);
777: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 778: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 779: }
1.111 paf 780: static void _justext(Request& r, MethodParams& params) {
1.152 misha 781: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.89 paf 782: // /a/some.tar.gz > gz
783: int afterdot=lastposafter(file_spec, 0, ".", 1);
784: if(afterdot>0)
1.111 paf 785: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 786: }
787:
1.111 paf 788: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 789: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 790: const String* result;
1.102 paf 791: if(file_spec.first_char()=='/')
792: result=&file_spec;
793: else {
794: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
795: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 796: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 797:
798: if(document_root_length>0) {
1.111 paf 799: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 800: if(last_char == '/' || last_char == '\\')
801: --document_root_length;
802: }
1.111 paf 803: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 804: }
805: r.write_assign_lang(*result);
806: }
807:
1.121 paf 808: static void _sql_string(Request& r, MethodParams&) {
809: VFile& self=GET_SELF(r, VFile);
810:
811: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
812: r.write_assign_lang(*new String(quoted));
813: }
1.89 paf 814:
1.122 paf 815: #ifndef DOXYGEN
816: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
817: const String& statement_string; const char* statement_cstr;
818: int got_columns;
819: int got_cells;
820: public:
821: String::C value;
1.131 paf 822: const String* user_file_name;
823: const String* user_content_type;
1.122 paf 824: public:
825: File_sql_event_handlers(
826: const String& astatement_string, const char* astatement_cstr):
827: statement_string(astatement_string), statement_cstr(astatement_cstr),
828: got_columns(0),
829: got_cells(0),
830: user_file_name(0),
831: user_content_type(0) {}
832:
833: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
834: if(got_columns++==3) {
1.156 misha 835: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 836: return true;
837: }
838: return false;
839: }
840: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
841: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
842: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
843: try {
844: switch(got_cells++) {
845: case 0:
846: value=String::C(str, length);
847: break;
848: case 1:
1.131 paf 849: if(!user_file_name) // user not specified?
850: user_file_name=new String(str, length, true);
1.122 paf 851: break;
852: case 2:
1.131 paf 853: if(!user_content_type) // user not specified?
854: user_content_type=new String(str, length, true);
1.122 paf 855: break;
856: default:
1.156 misha 857: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 858: return true;
859: }
860: return false;
861: } catch(...) {
862: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
863: return true;
864: }
865: }
866: };
867: #endif
868: static void _sql(Request& r, MethodParams& params) {
1.131 paf 869: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 870:
871: Temp_lang temp_lang(r, String::L_SQL);
872: const String& statement_string=r.process_to_string(statement);
873: const char* statement_cstr=
874: statement_string.cstr(String::L_UNSPECIFIED, r.connection());
875: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 876:
1.173 misha 877: ulong limit=SQL_NO_LIMIT;
1.172 misha 878: ulong offset=0;
879:
1.131 paf 880: if(params.count()>1)
1.172 misha 881: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 882: int valid_options=0;
883: if(Value* vfilename=options->get(NAME_NAME)) {
884: valid_options++;
885: handlers.user_file_name=&vfilename->as_string();
886: }
887: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
888: valid_options++;
889: handlers.user_content_type=&vcontent_type->as_string();
890: }
1.173 misha 891: if(Value* vlimit=options->get(sql_limit_name)) {
892: valid_options++;
893: limit=(ulong)r.process_to_value(*vlimit).as_double();
894: }
1.172 misha 895: if(Value* voffset=options->get(sql_offset_name)) {
896: valid_options++;
897: offset=(ulong)r.process_to_value(*voffset).as_double();
898: }
1.131 paf 899: if(valid_options!=options->count())
1.156 misha 900: throw Exception(PARSER_RUNTIME,
1.131 paf 901: 0,
902: "called with invalid option");
903: }
904:
905:
1.122 paf 906: r.connection()->query(
1.123 paf 907: statement_cstr,
908: 0, 0,
1.173 misha 909: offset, limit,
1.122 paf 910: handlers,
911: statement_string);
912:
913: if(!handlers.value)
1.156 misha 914: throw Exception(PARSER_RUNTIME,
1.122 paf 915: 0,
916: "produced no result");
917:
1.131 paf 918: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 919:
920: VString* vcontent_type=handlers.user_content_type?
921: new VString(*handlers.user_content_type)
922: : user_file_name_cstr?
923: new VString(r.mime_type_of(user_file_name_cstr))
924: : 0;
925: VFile& self=GET_SELF(r, VFile);
926: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
927: }
1.140 paf 928:
1.139 paf 929: static void _base64(Request& r, MethodParams& params) {
1.151 misha 930: bool dynamic = !(&r.get_self() == file_class);
931: if ( dynamic ){
1.140 paf 932: VFile& self=GET_SELF(r, VFile);
1.139 paf 933: if(params.count()) {
1.140 paf 934: // decode
1.160 misha 935: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
1.140 paf 936: char* decoded_cstr=0;
1.139 paf 937: size_t decoded_size=0;
938: pa_base64_decode(cstr, strlen(cstr), decoded_cstr, decoded_size);
939: if(decoded_cstr && decoded_size)
1.140 paf 940: self.set(true/*tainted*/, decoded_cstr, decoded_size);
941: } else {
942: // encode
943: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
944: r.write_assign_lang(*new String(encoded, 0, true/*once ?param=base64(something) was needed*/));
1.139 paf 945: }
1.151 misha 946: } else {
947: // encode
1.152 misha 948: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 949: const char* encoded=pa_base64_encode(r.absolute(file_spec));
950: r.write_assign_lang(*new String(encoded, 0, true/*once ?param=base64(something) was needed*/));
951: }
1.139 paf 952: }
1.140 paf 953:
1.146 misha 954: static void _crc32(Request& r, MethodParams& params) {
955: unsigned long crc32 = 0;
956: if(&r.get_self() == file_class) {
957: // ^file:crc32[file-name]
958: if(params.count()) {
1.152 misha 959: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 960: crc32=pa_crc32(r.absolute(file_spec));
961: } else {
1.156 misha 962: throw Exception(PARSER_RUNTIME,
1.146 misha 963: 0,
964: "file name must be defined");
965: }
966: } else {
967: // ^file.crc32[]
968: VFile& self=GET_SELF(r, VFile);
969: crc32=pa_crc32(self.value_ptr(), self.value_size());
970: }
971: r.write_no_lang(*new VInt(crc32));
972: }
973:
974:
1.147 misha 975: static void file_md5_file_action(
976: struct stat& finfo,
977: int f,
978: const String& , const char* /*fname*/, bool,
979: void *context)
980: {
981: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
982: if(finfo.st_size) {
1.148 misha 983: int nCount=0;
1.147 misha 984: do {
985: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 986: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 987: if ( nCount ){
988: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
989: }
1.148 misha 990: } while(nCount > 0);
1.147 misha 991: }
992: }
993:
994: const char* pa_md5(const String& file_spec)
995: {
996: PA_MD5_CTX context;
997: unsigned char digest[16];
998: pa_MD5Init(&context);
999: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1000: pa_MD5Final(digest, &context);
1001:
1002: return hex_string(digest, sizeof(digest), false);
1003: }
1004:
1005: const char* pa_md5(const char *in, size_t in_size)
1006: {
1007: PA_MD5_CTX context;
1008: unsigned char digest[16];
1009: pa_MD5Init(&context);
1010: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1011: pa_MD5Final(digest, &context);
1012:
1013: return hex_string(digest, sizeof(digest), false);
1014: }
1015:
1016: static void _md5(Request& r, MethodParams& params) {
1017: const char* md5;
1018: if(&r.get_self() == file_class) {
1019: // ^file:md5[file-name]
1020: if(params.count()) {
1.152 misha 1021: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1022: md5=pa_md5(r.absolute(file_spec));
1023: } else {
1.156 misha 1024: throw Exception(PARSER_RUNTIME,
1.147 misha 1025: 0,
1026: "file name must be defined");
1027: }
1028: } else {
1029: // ^file.md5[]
1030: VFile& self=GET_SELF(r, VFile);
1031: md5=pa_md5(self.value_ptr(), self.value_size());
1032:
1033: }
1034: r.write_no_lang(*new String(md5));
1035: }
1036:
1.32 paf 1037: // constructor
1038:
1.111 paf 1039: MFile::MFile(): Methoded("file") {
1.146 misha 1040: // ^file::create[text;user-name;string]
1041: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1042: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1043:
1.146 misha 1044: // ^file.save[mode;file-name]
1.48 parser 1045: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1046:
1.146 misha 1047: // ^file:delete[file-name]
1.32 paf 1048: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1049:
1.146 misha 1050: // ^file:move[from-file-name;to-file-name]
1.45 parser 1051: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1052:
1.146 misha 1053: // ^file::load[mode;disk-name]
1054: // ^file::load[mode;disk-name;user-name]
1.48 parser 1055: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 1056:
1.146 misha 1057: // ^file::stat[disk-name]
1.32 paf 1058: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1059:
1.162 misha 1060: // ^file::cgi[mode;file-name]
1061: // ^file::cgi[mode;file-name;env hash]
1062: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1063: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1064:
1065: // ^file::exec[mode;file-name]
1066: // ^file::exec[mode;file-name;env hash]
1067: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1068: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1069:
1070: // ^file:list[path]
1071: // ^file:list[path][regexp]
1072: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1073:
1074: // ^file:lock[path]{code}
1075: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1076:
1.146 misha 1077: // ^file:find[file-name]
1078: // ^file:find[file-name]{when-not-found}
1.90 paf 1079: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1080:
1.89 paf 1081: // ^file:dirname[/a/some.tar.gz]=/a
1082: // ^file:dirname[/a/b/]=/a
1083: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1084: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1085: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1086: // ^file:justname[/a/some.tar.gz]=some.tar
1087: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1088: // ^file:justext[/a/some.tar.gz]=gz
1089: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1090: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1091: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1092:
1093: // ^file.sql-string[]
1094: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1095:
1096: // ^file::sql[[alt_name]]{}
1097: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1098:
1.146 misha 1099: // ^file::base64[string] << decode
1.139 paf 1100: // ^file.base64[] << encode
1.151 misha 1101: // ^file:base64[file-name] << encode
1102: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1103:
1104: // ^file.crc32[]
1105: // ^file:crc32[file-name]
1106: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1107:
1108: // ^file.md5[]
1109: // ^file:md5[file-name]
1110: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1111:
1.148 misha 1112: // ^file:copy[from-file-name;to-file-name]
1113: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1114: }
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