Annotation of parser3/src/classes/file.C, revision 1.191
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.185 misha 4: Copyright (c) 2001-2009 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:
1.191 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2009-05-14 08:10:09 $";
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"
1.184 misha 27: #include "pa_vregex.h"
1.1 paf 28:
1.32 paf 29: // defines
30:
1.48 parser 31: #define TEXT_MODE_NAME "text"
1.125 paf 32: #define BINARY_MODE_NAME "binary"
1.90 paf 33: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 34: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 35:
1.131 paf 36: #define NAME_NAME "name"
37:
1.132 paf 38: // externs
39:
40: extern String sql_limit_name;
41: extern String sql_offset_name;
42:
1.111 paf 43: // class
44:
45: class MFile: public Methoded {
46: public: // VStateless_class
47:
1.134 paf 48: Value* create_new_value(Pool&, HashStringValue&) { return new VFile(); }
1.111 paf 49:
50: public: // Methoded
51: bool used_directly() { return true; }
52:
53: public:
54: MFile();
55:
56: };
57:
58: // global variable
59:
60: DECLARE_CLASS_VAR(file, new MFile, 0);
61:
1.83 paf 62: // consts
63:
64: /// from apache-1.3|src|support|suexec.c
1.111 paf 65: static const char* suexec_safe_env_lst[]={
1.83 paf 66: "AUTH_TYPE",
67: "CONTENT_LENGTH",
68: "CONTENT_TYPE",
69: "DATE_GMT",
70: "DATE_LOCAL",
71: "DOCUMENT_NAME",
72: "DOCUMENT_PATH_INFO",
73: "DOCUMENT_ROOT",
74: "DOCUMENT_URI",
75: "FILEPATH_INFO",
76: "GATEWAY_INTERFACE",
77: "LAST_MODIFIED",
78: "PATH_INFO",
79: "PATH_TRANSLATED",
80: "QUERY_STRING",
81: "QUERY_STRING_UNESCAPED",
82: "REMOTE_ADDR",
83: "REMOTE_HOST",
84: "REMOTE_IDENT",
85: "REMOTE_PORT",
86: "REMOTE_USER",
87: "REDIRECT_QUERY_STRING",
88: "REDIRECT_STATUS",
89: "REDIRECT_URL",
90: "REQUEST_METHOD",
91: "REQUEST_URI",
92: "SCRIPT_FILENAME",
93: "SCRIPT_NAME",
94: "SCRIPT_URI",
95: "SCRIPT_URL",
96: "SERVER_ADMIN",
97: "SERVER_NAME",
98: "SERVER_ADDR",
99: "SERVER_PORT",
100: "SERVER_PROTOCOL",
101: "SERVER_SOFTWARE",
102: "UNIQUE_ID",
103: "USER_NAME",
104: "TZ",
105: NULL
106: };
107:
1.111 paf 108: // statics
1.33 paf 109:
1.112 paf 110: static const String::Body adate_name("adate");
111: static const String::Body mdate_name("mdate");
112: static const String::Body cdate_name("cdate");
1.32 paf 113:
1.1 paf 114: // methods
115:
1.161 misha 116: static bool is_valid_mode (const String& mode) {
117: return (mode==TEXT_MODE_NAME || mode==BINARY_MODE_NAME);
118: }
119:
1.125 paf 120: static bool is_text_mode(const String& mode) {
121: if(mode==TEXT_MODE_NAME)
122: return true;
123: if(mode==BINARY_MODE_NAME)
124: return false;
1.156 misha 125: throw Exception(PARSER_RUNTIME,
1.125 paf 126: &mode,
127: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
128: }
129:
1.111 paf 130: static void _save(Request& r, MethodParams& params) {
1.161 misha 131: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 132: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 133:
1.7 paf 134: // save
1.111 paf 135: GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()),
1.125 paf 136: is_text_mode(vmode_name.as_string()));
1.7 paf 137: }
138:
1.111 paf 139: static void _delete(Request& r, MethodParams& params) {
1.152 misha 140: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 141:
142: // unlink
1.68 paf 143: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 144: }
145:
1.111 paf 146: static void _move(Request& r, MethodParams& params) {
147: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
148: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 149:
1.51 parser 150: // move
1.68 paf 151: file_move(
1.45 parser 152: r.absolute(vfrom_file_name.as_string()),
153: r.absolute(vto_file_name.as_string()));
154: }
155:
1.148 misha 156: static void copy_process_source(
1.180 misha 157: struct stat& ,
158: int from_file,
159: const String& , const char* /*fname*/, bool,
160: void *context) {
1.148 misha 161: int& to_file=*static_cast<int *>(context);
162:
163: int nCount=0;
164: do {
165: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 166: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 167: int written=write(to_file, buffer, nCount);
168: if( written < 0 )
1.179 misha 169: throw Exception("file.access",
1.148 misha 170: 0,
171: "write failed: %s (%d)", strerror(errno), errno);
172:
173: } while(nCount > 0);
174: }
175:
176: static void copy_open_target(int f, void *from_spec) {
177: String& file_spec=*static_cast<String *>(from_spec);
178: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
179: };
180:
181: static void _copy(Request& r, MethodParams& params) {
182: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
183: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
184:
185: String from_spec = r.absolute(vfrom_file_name.as_string());
186: const String& to_spec = r.absolute(vto_file_name.as_string());
187:
188: file_write_action_under_lock(
189: to_spec,
190: "copy",
191: copy_open_target,
1.149 misha 192: &from_spec);
1.148 misha 193: }
194:
1.111 paf 195: static void _load_pass_param(
1.180 misha 196: HashStringValue::key_type key,
197: HashStringValue::value_type value,
198: HashStringValue *dest) {
1.111 paf 199: dest->put(key, value);
200: }
1.180 misha 201:
1.111 paf 202: static void _load(Request& r, MethodParams& params) {
1.180 misha 203: bool as_text=is_text_mode(params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string());
1.152 misha 204: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.9 paf 205:
1.180 misha 206: size_t param_index=params.count()-1;
1.183 misha 207: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "filename or options must not be code"):0;
1.180 misha 208:
1.183 misha 209: HashStringValue* options=0;
210: const char *user_file_name=0;
211:
212: if(param_value){
213: options=param_value->get_hash();
214: if(options || param_index>2)
215: param_index--;
216: if(param_index>1){
217: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
218: if(!luser_file_name.is_empty())
219: user_file_name=luser_file_name.cstr(String::L_FILE_SPEC);
220: }
221: }
222: if(!user_file_name)
223: user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
1.180 misha 224:
1.132 paf 225: size_t offset=0;
226: size_t limit=0;
1.183 misha 227:
1.180 misha 228: if(options){
1.132 paf 229: options=new HashStringValue(*options);
1.180 misha 230: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 231: offset=r.process_to_value(*voffset).as_int();
232: }
1.180 misha 233: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 234: limit=r.process_to_value(*vlimit).as_int();
235: }
236: // no check on options count here, see file_read
237: }
1.182 misha 238: File_read_result file=file_load(r, lfile_name,
1.180 misha 239: as_text, options, true, 0, offset, limit
1.104 paf 240: );
1.9 paf 241:
1.111 paf 242: Value* vcontent_type=0;
1.168 misha 243: if(file.headers){
1.181 misha 244: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 245: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
246: }
1.104 paf 247: if(!vcontent_type)
1.111 paf 248: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 249:
1.111 paf 250: VFile& self=GET_SELF(r, VFile);
251: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 252:
253: if(file.headers){
1.143 paf 254: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 255: } else {
256: size_t size;
257: time_t atime, mtime, ctime;
258:
1.169 misha 259: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 260:
261: HashStringValue& ff=self.fields();
262: ff.put(adate_name, new VDate(atime));
263: ff.put(mdate_name, new VDate(mtime));
264: ff.put(cdate_name, new VDate(ctime));
265: }
266:
1.9 paf 267: }
268:
1.138 paf 269: static void _create(Request& r, MethodParams& params) {
1.161 misha 270: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.138 paf 271: if(!is_text_mode(vmode_name.as_string()))
1.156 misha 272: throw Exception(PARSER_RUNTIME,
1.138 paf 273: 0,
274: "only text mode is currently supported");
275:
276: const char* user_file_name_cstr=r.absolute(
1.152 misha 277: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).cstr(String::L_FILE_SPEC);
1.138 paf 278:
279: const String& content=params.as_string(2, "content must be string");
280: const char* content_cstr=content.cstr(String::L_UNSPECIFIED); // explode content, honor tainting changes
281:
282: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
283:
284: VFile& self=GET_SELF(r, VFile);
285: self.set(true/*tainted*/, content_cstr, strlen(content_cstr), user_file_name_cstr, vcontent_type);
286: }
287:
1.111 paf 288: static void _stat(Request& r, MethodParams& params) {
1.152 misha 289: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 290:
291: const String& lfile_name=vfile_name.as_string();
292:
1.40 parser 293: size_t size;
294: time_t atime, mtime, ctime;
295: file_stat(r.absolute(lfile_name),
296: size,
297: atime, mtime, ctime);
1.25 paf 298:
1.167 misha 299: const char* user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
300:
1.111 paf 301: VFile& self=GET_SELF(r, VFile);
1.167 misha 302:
303: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 304: HashStringValue& ff=self.fields();
305: ff.put(adate_name, new VDate(atime));
306: ff.put(mdate_name, new VDate(mtime));
307: ff.put(cdate_name, new VDate(ctime));
1.25 paf 308: }
309:
1.111 paf 310: static bool is_safe_env_key(const char* key) {
311: for(const char* validator=key; *validator; validator++) {
312: char c=*validator;
313: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
314: return false;
315: }
1.88 paf 316: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 317: return true;
1.87 paf 318: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 319: return true;
320: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 321: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 322: return true;
323: }
324: return false;
325: }
1.90 paf 326: #ifndef DOXYGEN
327: struct Append_env_pair_info {
1.141 paf 328: Request_charsets* charsets;
1.111 paf 329: HashStringString* env;
1.100 paf 330: Value* vstdin;
1.90 paf 331: };
332: #endif
1.111 paf 333: static void append_env_pair(
1.180 misha 334: HashStringValue::key_type akey,
335: HashStringValue::value_type avalue,
336: Append_env_pair_info *info) {
1.111 paf 337: if(akey==STDIN_EXEC_PARAM_NAME) {
338: info->vstdin=avalue;
339: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 340: // ignore, already processed
1.90 paf 341: } else {
1.111 paf 342: if(!is_safe_env_key(akey.cstr()))
1.156 misha 343: throw Exception(PARSER_RUNTIME,
1.111 paf 344: new String(akey, String::L_TAINTED),
1.90 paf 345: "not safe environment variable");
1.141 paf 346: info->env->put(akey, avalue->as_string().cstr_to_string_body(String::L_UNSPECIFIED, 0, info->charsets));
1.90 paf 347: }
1.22 paf 348: }
1.94 paf 349: #ifndef DOXYGEN
350: struct Pass_cgi_header_attribute_info {
1.111 paf 351: Charset* charset;
352: HashStringValue* fields;
353: Value* content_type;
1.94 paf 354: };
355: #endif
1.111 paf 356: static void pass_cgi_header_attribute(
1.180 misha 357: ArrayString::element_type astring,
358: Pass_cgi_header_attribute_info* info) {
1.111 paf 359: size_t colon_pos=astring->pos(':');
1.130 paf 360: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 361: const String& key=astring->mid(0, colon_pos).change_case(
362: *info->charset, String::CC_UPPER);
1.130 paf 363: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 364: info->fields->put(key, value);
1.181 misha 365: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 366: info->content_type=value;
1.94 paf 367: }
1.29 paf 368: }
1.155 misha 369:
370: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 371: if(!str->is_empty())
1.155 misha 372: argv+=new String(str->cstr_to_string_body(String::L_UNSPECIFIED, 0, &r.charsets), String::L_AS_IS);
373: }
374:
1.90 paf 375: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.111 paf 376: static void _exec_cgi(Request& r, MethodParams& params,
1.41 parser 377: bool cgi) {
1.21 paf 378:
1.162 misha 379: Value& first_param=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE);
380:
381: bool is_mode_specified=is_valid_mode(first_param.as_string());
382: const String& mode_name=(is_mode_specified) ? first_param.as_string() : *new String(TEXT_MODE_NAME);
383:
384: size_t param_index=1;
385: if(!is_mode_specified){
386: --param_index;
387: }
388:
389: if(param_index>=params.count())
390: throw Exception(PARSER_RUNTIME,
391: 0,
392: "file name must be specified");
393:
394:
395: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 396:
1.23 paf 397: const String& script_name=r.absolute(vfile_name.as_string());
398:
1.111 paf 399: HashStringString env;
1.62 paf 400: #define ECSTR(name, value_cstr) \
1.111 paf 401: if(value_cstr) \
402: env.put( \
1.112 paf 403: String::Body(#name), \
1.188 misha 404: String::Body(value_cstr)); \
1.82 paf 405: // passing SAPI::environment
1.111 paf 406: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
407: while(const char* pair=*pairs++)
408: if(const char* eq_at=strchr(pair, '='))
409: if(eq_at[1]) // has value
410: env.put(
411: pa_strdup(pair, eq_at-pair),
412: pa_strdup(eq_at+1, 0));
1.82 paf 413: }
414:
1.23 paf 415: // const
1.63 paf 416: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 417: // from Request.info
1.111 paf 418: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
419: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
420: ECSTR(REQUEST_METHOD, r.request_info.method);
421: ECSTR(QUERY_STRING, r.request_info.query_string);
422: ECSTR(REQUEST_URI, r.request_info.uri);
423: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.23 paf 424: char content_length_cstr[MAX_NUMBER];
1.111 paf 425: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length);
426: //String content_length(content_length_cstr);
1.62 paf 427: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 428: // SCRIPT_*
1.119 paf 429: env.put(String::Body("SCRIPT_NAME"), script_name);
430: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 431:
1.111 paf 432: bool stdin_specified=false;
1.90 paf 433: // environment & stdin from param
1.111 paf 434: String *in=new String();
1.109 paf 435: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 436: if(param_index < params.count()) {
437: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 438: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 439: // $.charset [previewing to handle URI pieces]
440: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
441: charset=&charsets.get(vcharset->as_string()
442: .change_case(r.charsets.source(), String::CC_UPPER));
443:
444: // $.others
445: Append_env_pair_info info={&r.charsets, &env, 0};
446: {
1.144 paf 447: // influence tainting
448: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 449: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 450: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 451: }
1.109 paf 452: // $.stdin
1.103 paf 453: if(info.vstdin) {
1.111 paf 454: stdin_specified=true;
455: if(const String* sstdin=info.vstdin->get_string()) {
456: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 457: } else
1.111 paf 458: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
459: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 460: else
1.156 misha 461: throw Exception(PARSER_RUNTIME,
1.111 paf 462: 0,
1.100 paf 463: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 464: }
1.90 paf 465: }
1.21 paf 466: }
467:
1.90 paf 468: // argv from params
1.111 paf 469: ArrayString argv;
1.162 misha 470: if(param_index < params.count()) {
1.180 misha 471: // influence tainting
472: // main target -- URLencoding of tainted pieces to String::L_URI lang
473: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 474:
1.162 misha 475: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 476: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 477: if(param.is_defined()){
478: if(param.is_string()){
1.155 misha 479: append_to_argv(r, argv, param.get_string());
1.154 misha 480: } else {
1.155 misha 481: Table* table=param.get_table();
482: if(table){
483: for(size_t i=0; i<table->count(); i++) {
484: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 485: }
486: } else {
1.156 misha 487: throw Exception(PARSER_RUNTIME,
1.154 misha 488: 0,
1.162 misha 489: "param must be string or table");
1.154 misha 490: }
491: }
1.145 misha 492: }
1.144 paf 493: }
1.21 paf 494: }
1.90 paf 495:
1.109 paf 496: // transcode if necessary
497: if(charset) {
1.111 paf 498: Charset::transcode(env, r.charsets.source(), *charset);
499: Charset::transcode(argv, r.charsets.source(), *charset);
500: in=&Charset::transcode(*in, r.charsets.source(), *charset);
501: }
502: // @todo
503: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
504: // match silent conversion in OS
505:
506: // exec!
1.163 misha 507: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 508:
1.162 misha 509: File_read_result *file_out=&execution.out;
1.111 paf 510: String *real_err=&execution.err;
1.162 misha 511:
1.165 misha 512: // transcode err if necessary (@todo: need fix line breaks in err as well )
513: if(charset)
514: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
515:
1.163 misha 516: if(file_out->length && is_text_mode(mode_name)){
1.162 misha 517: fix_line_breaks(file_out->str, file_out->length);
518: // treat output as string
1.188 misha 519: String *real_out = new String(file_out->str);
1.162 misha 520:
1.165 misha 521: // transcode out if necessary
522: if(charset)
1.162 misha 523: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 524:
1.162 misha 525: // FIXME: unsafe cast
1.163 misha 526: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 527: file_out->length = real_out->length();
1.109 paf 528: }
529:
1.111 paf 530: VFile& self=GET_SELF(r, VFile);
1.109 paf 531:
1.162 misha 532: if(cgi) { // ^file::cgi
1.163 misha 533: const char* eol_marker=0;
534: size_t eol_marker_size;
535:
1.111 paf 536: // construct with 'out' body and header
1.165 misha 537: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
538: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 539:
540: bool unix_header_break;
541: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 542: case 10: // dos
543: unix_header_break=false;
544: break;
545: case 01: // unix
546: unix_header_break=true;
547: break;
548: case 11: // dos & unix
549: unix_header_break=unix_pos<dos_pos;
550: break;
551: default: // 00
552: unix_header_break=false; // calm down, compiler
1.179 misha 553: throw Exception("file.execute",
1.166 misha 554: 0,
555: "output does not contain CGI header; "
556: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
557: execution.status,
1.165 misha 558: (size_t)file_out->length, (file_out->length) ? (file_out->str) : "",
559: (size_t)real_err->length(), real_err->cstr());
1.166 misha 560: break; //never reached
1.111 paf 561: }
562:
1.165 misha 563: size_t header_break_pos;
1.111 paf 564: if(unix_header_break) {
565: header_break_pos=unix_pos;
1.165 misha 566: eol_marker="\n";
567: eol_marker_size=1;
1.111 paf 568: } else {
569: header_break_pos=dos_pos;
1.165 misha 570: eol_marker="\r\n";
571: eol_marker_size=2;
1.111 paf 572: }
1.21 paf 573:
1.162 misha 574: file_out->str[header_break_pos] = 0;
1.188 misha 575: String *header=new String(file_out->str);
1.162 misha 576: unsigned long headersize = header_break_pos+eol_marker_size*2;
577: file_out->str += headersize;
578: file_out->length -= headersize;
579:
1.164 misha 580: // $body
581: self.set(false/*not tainted*/, file_out->str, file_out->length);
582:
1.162 misha 583: // $fields << header
584: if(header && eol_marker) {
585: ArrayString rows;
586: size_t pos_after=0;
587: header->split(rows, pos_after, eol_marker);
588: Pass_cgi_header_attribute_info info={0, 0, 0};
589: info.charset=&r.charsets.source();
590: info.fields=&self.fields();
591: rows.for_each(pass_cgi_header_attribute, &info);
592: if(info.content_type)
593: self.fields().put(content_type_name, info.content_type);
594: }
1.164 misha 595: } else { // ^file::exec
1.166 misha 596: // $body
597: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 598: }
1.163 misha 599:
1.42 parser 600: // $status
1.111 paf 601: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 602:
603: // $stderr
1.187 misha 604: if(!real_err->is_empty())
1.21 paf 605: self.fields().put(
1.119 paf 606: String::Body("stderr"),
1.111 paf 607: new VString(*real_err));
1.21 paf 608: }
1.111 paf 609: static void _exec(Request& r, MethodParams& params) {
610: _exec_cgi(r, params, false);
1.41 parser 611: }
1.111 paf 612: static void _cgi(Request& r, MethodParams& params) {
613: _exec_cgi(r, params, true);
1.41 parser 614: }
615:
1.111 paf 616: static void _list(Request& r, MethodParams& params) {
617: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 618:
1.191 ! misha 619: VRegex* vregex=0;
1.184 misha 620: VRegexCleaner vrcleaner;
621: if(params.count()>1){
622: Value& regexp=params.as_no_junction(1, "regexp must not be code");
1.191 ! misha 623: if(regexp.is_defined()){
! 624: if(Value* value=regexp.as(VREGEX_TYPE, false)){
! 625: vregex=static_cast<VRegex*>(value);
! 626: } else {
! 627: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
! 628: vregex->study();
! 629: vrcleaner.vregex=vregex;
! 630: }
1.184 misha 631: }
1.114 paf 632: }
1.47 parser 633:
1.111 paf 634: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).cstr(String::L_FILE_SPEC);
1.47 parser 635:
1.111 paf 636: Table::columns_type columns(new ArrayString);
637: *columns+=new String("name");
638: Table& table=*new Table(columns);
1.47 parser 639:
1.184 misha 640: const int ovector_size=(1/*match*/)*3;
641: int ovector[ovector_size];
642:
1.47 parser 643: LOAD_DIR(absolute_path_cstr,
1.111 paf 644: const char* file_name_cstr=ffblk.ff_name;
645: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 646:
1.184 misha 647: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 648: Table::element_type row(new ArrayString);
1.190 misha 649: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.111 paf 650: table+=row;
1.47 parser 651: }
652: );
653:
1.60 parser 654: // write out result
1.111 paf 655: r.write_no_lang(*new VTable(&table));
1.47 parser 656: }
1.21 paf 657:
1.69 paf 658: #ifndef DOXYGEN
659: struct Lock_execute_body_info {
1.111 paf 660: Request* r;
661: Value* body_code;
1.69 paf 662: };
663: #endif
1.111 paf 664: static void lock_execute_body(int , void *ainfo) {
665: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 666: // execute body
1.78 paf 667: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 668: };
1.111 paf 669: static void _lock(Request& r, MethodParams& params) {
1.152 misha 670: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 671: Lock_execute_body_info info={
672: &r,
1.117 paf 673: ¶ms.as_junction(1, "body must be code")
1.116 paf 674: };
1.69 paf 675:
1.158 misha 676: file_write_action_under_lock(
677: file_spec,
678: "lock",
679: lock_execute_body,
680: &info);
1.69 paf 681: }
682:
1.111 paf 683: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 684: size_t size=0; // just to calm down compiler
1.89 paf 685: if(beforelast)
1.111 paf 686: size=s.length();
1.116 paf 687: size_t at;
1.188 misha 688: while((at=s.pos(String::Body(substr), after))!=STRING_NOT_FOUND) {
1.89 paf 689: size_t newafter=at+substr_size/*skip substr*/;
690: if(beforelast && newafter==size)
691: break;
692: after=newafter;
693: }
694:
695: return after;
696: }
697:
1.111 paf 698: static void _find(Request& r, MethodParams& params) {
1.152 misha 699: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 700: const String* file_spec;
1.90 paf 701: if(file_name.first_char()=='/')
702: file_spec=&file_name;
703: else
1.111 paf 704: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 705:
706: // easy way
1.142 paf 707: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 708: r.write_assign_lang(*file_spec);
1.90 paf 709: return;
710: }
711:
712: // monkey way
713: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 714: const String* dirname=&file_spec->mid(0, after_base_slash);
715: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 716:
717: int after_monkey_slash;
718: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 719: String test_name;
720: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
721: test_name<<basename;
1.142 paf 722: if(file_exist(r.absolute(test_name))) {
1.111 paf 723: r.write_assign_lang(test_name);
1.90 paf 724: return;
725: }
726: }
727:
728: // no way, not found
1.111 paf 729: if(params.count()==2) {
730: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 731: r.write_pass_lang(r.process(not_found_code));
732: }
733: }
734:
1.111 paf 735: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 736: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 737: // /a/some.tar.gz > /a
1.89 paf 738: // /a/b/ > /a
739: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
740: if(afterslash>0)
741: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
742: else
1.189 misha 743: r.write_assign_lang(String("."));
1.89 paf 744: }
745:
1.111 paf 746: static void _basename(Request& r, MethodParams& params) {
1.152 misha 747: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 748: // /a/some.tar.gz > some.tar.gz
1.89 paf 749: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 750: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 751: }
752:
1.111 paf 753: static void _justname(Request& r, MethodParams& params) {
1.152 misha 754: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 755: // /a/some.tar.gz > some.tar
1.89 paf 756: int afterslash=lastposafter(file_spec, 0, "/", 1);
757: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 758: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 759: }
1.111 paf 760: static void _justext(Request& r, MethodParams& params) {
1.152 misha 761: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 762: // /a/some.tar.gz > gz
1.89 paf 763: int afterdot=lastposafter(file_spec, 0, ".", 1);
764: if(afterdot>0)
1.111 paf 765: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 766: }
767:
1.111 paf 768: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 769: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 770: const String* result;
1.102 paf 771: if(file_spec.first_char()=='/')
772: result=&file_spec;
773: else {
774: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
775: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 776: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 777:
778: if(document_root_length>0) {
1.111 paf 779: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 780: if(last_char == '/' || last_char == '\\')
781: --document_root_length;
782: }
1.111 paf 783: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 784: }
785: r.write_assign_lang(*result);
786: }
787:
1.121 paf 788: static void _sql_string(Request& r, MethodParams&) {
789: VFile& self=GET_SELF(r, VFile);
790:
791: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
792: r.write_assign_lang(*new String(quoted));
793: }
1.89 paf 794:
1.122 paf 795: #ifndef DOXYGEN
796: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
797: const String& statement_string; const char* statement_cstr;
798: int got_columns;
799: int got_cells;
800: public:
801: String::C value;
1.131 paf 802: const String* user_file_name;
803: const String* user_content_type;
1.122 paf 804: public:
805: File_sql_event_handlers(
806: const String& astatement_string, const char* astatement_cstr):
807: statement_string(astatement_string), statement_cstr(astatement_cstr),
808: got_columns(0),
809: got_cells(0),
810: user_file_name(0),
811: user_content_type(0) {}
812:
813: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
814: if(got_columns++==3) {
1.156 misha 815: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 816: return true;
817: }
818: return false;
819: }
820: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
821: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
822: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
823: try {
824: switch(got_cells++) {
825: case 0:
826: value=String::C(str, length);
827: break;
828: case 1:
1.131 paf 829: if(!user_file_name) // user not specified?
1.190 misha 830: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 831: break;
832: case 2:
1.131 paf 833: if(!user_content_type) // user not specified?
1.190 misha 834: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 835: break;
836: default:
1.156 misha 837: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 838: return true;
839: }
840: return false;
841: } catch(...) {
842: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
843: return true;
844: }
845: }
846: };
847: #endif
848: static void _sql(Request& r, MethodParams& params) {
1.131 paf 849: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 850:
851: Temp_lang temp_lang(r, String::L_SQL);
852: const String& statement_string=r.process_to_string(statement);
853: const char* statement_cstr=
854: statement_string.cstr(String::L_UNSPECIFIED, r.connection());
855: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 856:
1.173 misha 857: ulong limit=SQL_NO_LIMIT;
1.172 misha 858: ulong offset=0;
859:
1.131 paf 860: if(params.count()>1)
1.172 misha 861: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 862: int valid_options=0;
863: if(Value* vfilename=options->get(NAME_NAME)) {
864: valid_options++;
865: handlers.user_file_name=&vfilename->as_string();
866: }
867: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
868: valid_options++;
869: handlers.user_content_type=&vcontent_type->as_string();
870: }
1.173 misha 871: if(Value* vlimit=options->get(sql_limit_name)) {
872: valid_options++;
873: limit=(ulong)r.process_to_value(*vlimit).as_double();
874: }
1.172 misha 875: if(Value* voffset=options->get(sql_offset_name)) {
876: valid_options++;
877: offset=(ulong)r.process_to_value(*voffset).as_double();
878: }
1.131 paf 879: if(valid_options!=options->count())
1.156 misha 880: throw Exception(PARSER_RUNTIME,
1.131 paf 881: 0,
882: "called with invalid option");
883: }
884:
885:
1.122 paf 886: r.connection()->query(
1.123 paf 887: statement_cstr,
888: 0, 0,
1.173 misha 889: offset, limit,
1.122 paf 890: handlers,
891: statement_string);
892:
893: if(!handlers.value)
1.156 misha 894: throw Exception(PARSER_RUNTIME,
1.122 paf 895: 0,
896: "produced no result");
897:
1.131 paf 898: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 899:
900: VString* vcontent_type=handlers.user_content_type?
901: new VString(*handlers.user_content_type)
902: : user_file_name_cstr?
903: new VString(r.mime_type_of(user_file_name_cstr))
904: : 0;
905: VFile& self=GET_SELF(r, VFile);
906: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
907: }
1.140 paf 908:
1.139 paf 909: static void _base64(Request& r, MethodParams& params) {
1.151 misha 910: bool dynamic = !(&r.get_self() == file_class);
1.180 misha 911: if(dynamic){
912: VFile& self=GET_SELF(r, VFile);
913: if(params.count()) {
914: // decode: ^file::base64[encoded]
915: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
916: char* decoded=0;
917: size_t length=0;
918: pa_base64_decode(cstr, strlen(cstr), decoded, length);
919: if(decoded && length)
920: self.set(true/*tainted*/, decoded, length);
921: } else {
922: // encode: ^f.base64[]
923: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 924: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 925: }
1.151 misha 926: } else {
1.180 misha 927: // encode: ^file:base64[filespec]
1.152 misha 928: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 929: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 930: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 931: }
1.139 paf 932: }
1.140 paf 933:
1.146 misha 934: static void _crc32(Request& r, MethodParams& params) {
935: unsigned long crc32 = 0;
936: if(&r.get_self() == file_class) {
937: // ^file:crc32[file-name]
938: if(params.count()) {
1.152 misha 939: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 940: crc32=pa_crc32(r.absolute(file_spec));
941: } else {
1.156 misha 942: throw Exception(PARSER_RUNTIME,
1.146 misha 943: 0,
944: "file name must be defined");
945: }
946: } else {
947: // ^file.crc32[]
948: VFile& self=GET_SELF(r, VFile);
949: crc32=pa_crc32(self.value_ptr(), self.value_size());
950: }
951: r.write_no_lang(*new VInt(crc32));
952: }
953:
954:
1.147 misha 955: static void file_md5_file_action(
1.180 misha 956: struct stat& finfo,
957: int f,
958: const String& , const char* /*fname*/, bool,
959: void *context)
1.147 misha 960: {
961: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
962: if(finfo.st_size) {
1.148 misha 963: int nCount=0;
1.147 misha 964: do {
965: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 966: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 967: if ( nCount ){
968: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
969: }
1.148 misha 970: } while(nCount > 0);
1.147 misha 971: }
972: }
973:
974: const char* pa_md5(const String& file_spec)
975: {
976: PA_MD5_CTX context;
977: unsigned char digest[16];
978: pa_MD5Init(&context);
979: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
980: pa_MD5Final(digest, &context);
981:
982: return hex_string(digest, sizeof(digest), false);
983: }
984:
985: const char* pa_md5(const char *in, size_t in_size)
986: {
987: PA_MD5_CTX context;
988: unsigned char digest[16];
989: pa_MD5Init(&context);
990: pa_MD5Update(&context, (const unsigned char*)in, in_size);
991: pa_MD5Final(digest, &context);
992:
993: return hex_string(digest, sizeof(digest), false);
994: }
995:
996: static void _md5(Request& r, MethodParams& params) {
997: const char* md5;
998: if(&r.get_self() == file_class) {
999: // ^file:md5[file-name]
1000: if(params.count()) {
1.152 misha 1001: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1002: md5=pa_md5(r.absolute(file_spec));
1003: } else {
1.156 misha 1004: throw Exception(PARSER_RUNTIME,
1.147 misha 1005: 0,
1006: "file name must be defined");
1007: }
1008: } else {
1009: // ^file.md5[]
1010: VFile& self=GET_SELF(r, VFile);
1011: md5=pa_md5(self.value_ptr(), self.value_size());
1012:
1013: }
1014: r.write_no_lang(*new String(md5));
1015: }
1016:
1.32 paf 1017: // constructor
1018:
1.111 paf 1019: MFile::MFile(): Methoded("file") {
1.146 misha 1020: // ^file::create[text;user-name;string]
1021: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1022: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1023:
1.146 misha 1024: // ^file.save[mode;file-name]
1.48 parser 1025: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1026:
1.146 misha 1027: // ^file:delete[file-name]
1.32 paf 1028: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1029:
1.146 misha 1030: // ^file:move[from-file-name;to-file-name]
1.45 parser 1031: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1032:
1.146 misha 1033: // ^file::load[mode;disk-name]
1034: // ^file::load[mode;disk-name;user-name]
1.180 misha 1035: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1036:
1.146 misha 1037: // ^file::stat[disk-name]
1.32 paf 1038: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1039:
1.162 misha 1040: // ^file::cgi[mode;file-name]
1041: // ^file::cgi[mode;file-name;env hash]
1042: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1043: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1044:
1045: // ^file::exec[mode;file-name]
1046: // ^file::exec[mode;file-name;env hash]
1047: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1048: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1049:
1050: // ^file:list[path]
1051: // ^file:list[path][regexp]
1052: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1053:
1054: // ^file:lock[path]{code}
1055: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1056:
1.146 misha 1057: // ^file:find[file-name]
1058: // ^file:find[file-name]{when-not-found}
1.90 paf 1059: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1060:
1.89 paf 1061: // ^file:dirname[/a/some.tar.gz]=/a
1062: // ^file:dirname[/a/b/]=/a
1063: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1064: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1065: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1066: // ^file:justname[/a/some.tar.gz]=some.tar
1067: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1068: // ^file:justext[/a/some.tar.gz]=gz
1069: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1070: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1071: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1072:
1073: // ^file.sql-string[]
1074: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1075:
1076: // ^file::sql[[alt_name]]{}
1077: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1078:
1.146 misha 1079: // ^file::base64[string] << decode
1.139 paf 1080: // ^file.base64[] << encode
1.151 misha 1081: // ^file:base64[file-name] << encode
1082: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1083:
1084: // ^file.crc32[]
1085: // ^file:crc32[file-name]
1086: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1087:
1088: // ^file.md5[]
1089: // ^file:md5[file-name]
1090: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1091:
1.148 misha 1092: // ^file:copy[from-file-name;to-file-name]
1093: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1094: }
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