Annotation of parser3/src/classes/file.C, revision 1.200
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:
1.200 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2009-08-08 13:30:20 $";
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:
1.90 paf 31: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 32: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 33:
1.131 paf 34: #define NAME_NAME "name"
35:
1.132 paf 36: // externs
37:
38: extern String sql_limit_name;
39: extern String sql_offset_name;
40:
1.111 paf 41: // class
42:
43: class MFile: public Methoded {
44: public: // VStateless_class
45:
1.199 misha 46: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 47:
48: public: // Methoded
49: bool used_directly() { return true; }
50:
51: public:
52: MFile();
53:
54: };
55:
56: // global variable
57:
58: DECLARE_CLASS_VAR(file, new MFile, 0);
59:
1.83 paf 60: // consts
61:
62: /// from apache-1.3|src|support|suexec.c
1.111 paf 63: static const char* suexec_safe_env_lst[]={
1.83 paf 64: "AUTH_TYPE",
65: "CONTENT_LENGTH",
66: "CONTENT_TYPE",
67: "DATE_GMT",
68: "DATE_LOCAL",
69: "DOCUMENT_NAME",
70: "DOCUMENT_PATH_INFO",
71: "DOCUMENT_ROOT",
72: "DOCUMENT_URI",
73: "FILEPATH_INFO",
74: "GATEWAY_INTERFACE",
75: "LAST_MODIFIED",
76: "PATH_INFO",
77: "PATH_TRANSLATED",
78: "QUERY_STRING",
79: "QUERY_STRING_UNESCAPED",
80: "REMOTE_ADDR",
81: "REMOTE_HOST",
82: "REMOTE_IDENT",
83: "REMOTE_PORT",
84: "REMOTE_USER",
85: "REDIRECT_QUERY_STRING",
86: "REDIRECT_STATUS",
87: "REDIRECT_URL",
88: "REQUEST_METHOD",
89: "REQUEST_URI",
90: "SCRIPT_FILENAME",
91: "SCRIPT_NAME",
92: "SCRIPT_URI",
93: "SCRIPT_URL",
94: "SERVER_ADMIN",
95: "SERVER_NAME",
96: "SERVER_ADDR",
97: "SERVER_PORT",
98: "SERVER_PROTOCOL",
99: "SERVER_SOFTWARE",
100: "UNIQUE_ID",
101: "USER_NAME",
102: "TZ",
103: NULL
104: };
105:
1.111 paf 106: // statics
1.33 paf 107:
1.112 paf 108: static const String::Body adate_name("adate");
109: static const String::Body mdate_name("mdate");
110: static const String::Body cdate_name("cdate");
1.32 paf 111:
1.1 paf 112: // methods
113:
1.161 misha 114: static bool is_valid_mode (const String& mode) {
1.194 misha 115: return (mode==text_mode_name || mode==binary_mode_name);
1.161 misha 116: }
117:
1.125 paf 118: static bool is_text_mode(const String& mode) {
1.194 misha 119: if(mode==text_mode_name)
1.125 paf 120: return true;
1.194 misha 121: if(mode==binary_mode_name)
1.125 paf 122: return false;
1.156 misha 123: throw Exception(PARSER_RUNTIME,
1.125 paf 124: &mode,
125: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
126: }
127:
1.111 paf 128: static void _save(Request& r, MethodParams& params) {
1.161 misha 129: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 130: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 131:
1.7 paf 132: // save
1.111 paf 133: GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()),
1.125 paf 134: is_text_mode(vmode_name.as_string()));
1.7 paf 135: }
136:
1.111 paf 137: static void _delete(Request& r, MethodParams& params) {
1.152 misha 138: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 139:
140: // unlink
1.68 paf 141: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 142: }
143:
1.111 paf 144: static void _move(Request& r, MethodParams& params) {
145: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
146: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 147:
1.51 parser 148: // move
1.68 paf 149: file_move(
1.45 parser 150: r.absolute(vfrom_file_name.as_string()),
151: r.absolute(vto_file_name.as_string()));
152: }
153:
1.148 misha 154: static void copy_process_source(
1.180 misha 155: struct stat& ,
156: int from_file,
157: const String& , const char* /*fname*/, bool,
158: void *context) {
1.148 misha 159: int& to_file=*static_cast<int *>(context);
160:
161: int nCount=0;
162: do {
163: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 164: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 165: int written=write(to_file, buffer, nCount);
166: if( written < 0 )
1.179 misha 167: throw Exception("file.access",
1.148 misha 168: 0,
169: "write failed: %s (%d)", strerror(errno), errno);
170:
171: } while(nCount > 0);
172: }
173:
174: static void copy_open_target(int f, void *from_spec) {
175: String& file_spec=*static_cast<String *>(from_spec);
176: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
177: };
178:
179: static void _copy(Request& r, MethodParams& params) {
180: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
181: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
182:
183: String from_spec = r.absolute(vfrom_file_name.as_string());
184: const String& to_spec = r.absolute(vto_file_name.as_string());
185:
186: file_write_action_under_lock(
187: to_spec,
188: "copy",
189: copy_open_target,
1.149 misha 190: &from_spec);
1.148 misha 191: }
192:
1.111 paf 193: static void _load_pass_param(
1.180 misha 194: HashStringValue::key_type key,
195: HashStringValue::value_type value,
196: HashStringValue *dest) {
1.111 paf 197: dest->put(key, value);
198: }
1.180 misha 199:
1.111 paf 200: static void _load(Request& r, MethodParams& params) {
1.180 misha 201: bool as_text=is_text_mode(params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string());
1.152 misha 202: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.9 paf 203:
1.180 misha 204: size_t param_index=params.count()-1;
1.183 misha 205: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "filename or options must not be code"):0;
1.180 misha 206:
1.183 misha 207: HashStringValue* options=0;
208: const char *user_file_name=0;
209:
210: if(param_value){
211: options=param_value->get_hash();
212: if(options || param_index>2)
213: param_index--;
214: if(param_index>1){
215: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
216: if(!luser_file_name.is_empty())
1.196 misha 217: user_file_name=luser_file_name.taint_cstr(String::L_FILE_SPEC);
1.183 misha 218: }
219: }
220: if(!user_file_name)
1.196 misha 221: user_file_name=lfile_name.taint_cstr(String::L_FILE_SPEC);
1.180 misha 222:
1.132 paf 223: size_t offset=0;
224: size_t limit=0;
1.183 misha 225:
1.180 misha 226: if(options){
1.132 paf 227: options=new HashStringValue(*options);
1.180 misha 228: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 229: offset=r.process_to_value(*voffset).as_int();
230: }
1.180 misha 231: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 232: limit=r.process_to_value(*vlimit).as_int();
233: }
234: // no check on options count here, see file_read
235: }
1.182 misha 236: File_read_result file=file_load(r, lfile_name,
1.180 misha 237: as_text, options, true, 0, offset, limit
1.104 paf 238: );
1.9 paf 239:
1.111 paf 240: Value* vcontent_type=0;
1.168 misha 241: if(file.headers){
1.181 misha 242: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 243: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
244: }
1.104 paf 245: if(!vcontent_type)
1.111 paf 246: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 247:
1.111 paf 248: VFile& self=GET_SELF(r, VFile);
249: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 250:
1.194 misha 251: self.set_mode(as_text);
252:
1.168 misha 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: }
1.9 paf 266: }
267:
1.138 paf 268: static void _create(Request& r, MethodParams& params) {
1.194 misha 269: const String& mode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string();
270: if(!is_text_mode(mode_name))
1.156 misha 271: throw Exception(PARSER_RUNTIME,
1.138 paf 272: 0,
273: "only text mode is currently supported");
274:
275: const char* user_file_name_cstr=r.absolute(
1.196 misha 276: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).taint_cstr(String::L_FILE_SPEC);
1.138 paf 277:
278: const String& content=params.as_string(2, "content must be string");
1.198 misha 279: const String::Body content_body=content.cstr_to_string_body_untaint(String::L_AS_IS); // explode content, honor tainting changes
1.138 paf 280:
281: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
282:
283: VFile& self=GET_SELF(r, VFile);
1.197 misha 284: self.set(true/*tainted*/, content_body.cstr(), content_body.length(), user_file_name_cstr, vcontent_type);
1.194 misha 285:
286: self.set_mode(true/*as_text*/);
1.138 paf 287: }
288:
1.111 paf 289: static void _stat(Request& r, MethodParams& params) {
1.152 misha 290: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 291:
292: const String& lfile_name=vfile_name.as_string();
293:
1.40 parser 294: size_t size;
295: time_t atime, mtime, ctime;
296: file_stat(r.absolute(lfile_name),
297: size,
298: atime, mtime, ctime);
1.25 paf 299:
1.196 misha 300: const char* user_file_name=lfile_name.taint_cstr(String::L_FILE_SPEC);
1.167 misha 301:
1.111 paf 302: VFile& self=GET_SELF(r, VFile);
1.167 misha 303:
304: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 305: HashStringValue& ff=self.fields();
306: ff.put(adate_name, new VDate(atime));
307: ff.put(mdate_name, new VDate(mtime));
308: ff.put(cdate_name, new VDate(ctime));
1.25 paf 309: }
310:
1.111 paf 311: static bool is_safe_env_key(const char* key) {
312: for(const char* validator=key; *validator; validator++) {
313: char c=*validator;
314: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
315: return false;
316: }
1.88 paf 317: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 318: return true;
1.87 paf 319: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 320: return true;
321: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 322: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 323: return true;
324: }
325: return false;
326: }
1.90 paf 327: #ifndef DOXYGEN
328: struct Append_env_pair_info {
1.141 paf 329: Request_charsets* charsets;
1.111 paf 330: HashStringString* env;
1.100 paf 331: Value* vstdin;
1.90 paf 332: };
333: #endif
1.111 paf 334: static void append_env_pair(
1.180 misha 335: HashStringValue::key_type akey,
336: HashStringValue::value_type avalue,
337: Append_env_pair_info *info) {
1.111 paf 338: if(akey==STDIN_EXEC_PARAM_NAME) {
339: info->vstdin=avalue;
340: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 341: // ignore, already processed
1.90 paf 342: } else {
1.111 paf 343: if(!is_safe_env_key(akey.cstr()))
1.156 misha 344: throw Exception(PARSER_RUNTIME,
1.111 paf 345: new String(akey, String::L_TAINTED),
1.90 paf 346: "not safe environment variable");
1.196 misha 347: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 348: }
1.22 paf 349: }
1.94 paf 350: #ifndef DOXYGEN
351: struct Pass_cgi_header_attribute_info {
1.111 paf 352: Charset* charset;
353: HashStringValue* fields;
354: Value* content_type;
1.94 paf 355: };
356: #endif
1.111 paf 357: static void pass_cgi_header_attribute(
1.180 misha 358: ArrayString::element_type astring,
359: Pass_cgi_header_attribute_info* info) {
1.111 paf 360: size_t colon_pos=astring->pos(':');
1.130 paf 361: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 362: const String& key=astring->mid(0, colon_pos).change_case(
363: *info->charset, String::CC_UPPER);
1.130 paf 364: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 365: info->fields->put(key, value);
1.181 misha 366: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 367: info->content_type=value;
1.94 paf 368: }
1.29 paf 369: }
1.155 misha 370:
371: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 372: if(!str->is_empty())
1.196 misha 373: argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, 0, &r.charsets), String::L_AS_IS);
1.155 misha 374: }
375:
1.90 paf 376: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 377: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
378: bool as_text=true;
379: size_t param_index=0;
380: const String& mode_name=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE).as_string();
381: if(is_valid_mode(mode_name)){
382: as_text=is_text_mode(mode_name);
383: param_index++;
1.162 misha 384: }
385:
386: if(param_index>=params.count())
387: throw Exception(PARSER_RUNTIME,
388: 0,
389: "file name must be specified");
390:
391:
392: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 393:
1.23 paf 394: const String& script_name=r.absolute(vfile_name.as_string());
395:
1.111 paf 396: HashStringString env;
1.62 paf 397: #define ECSTR(name, value_cstr) \
1.111 paf 398: if(value_cstr) \
399: env.put( \
1.112 paf 400: String::Body(#name), \
1.192 misha 401: String::Body(*value_cstr?value_cstr:0)); \
1.82 paf 402: // passing SAPI::environment
1.111 paf 403: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
404: while(const char* pair=*pairs++)
405: if(const char* eq_at=strchr(pair, '='))
406: if(eq_at[1]) // has value
407: env.put(
408: pa_strdup(pair, eq_at-pair),
409: pa_strdup(eq_at+1, 0));
1.82 paf 410: }
411:
1.23 paf 412: // const
1.63 paf 413: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 414: // from Request.info
1.111 paf 415: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
416: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
417: ECSTR(REQUEST_METHOD, r.request_info.method);
418: ECSTR(QUERY_STRING, r.request_info.query_string);
419: ECSTR(REQUEST_URI, r.request_info.uri);
420: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 ! misha 421: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 422: // SCRIPT_*
1.119 paf 423: env.put(String::Body("SCRIPT_NAME"), script_name);
424: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 425:
1.111 paf 426: bool stdin_specified=false;
1.90 paf 427: // environment & stdin from param
1.111 paf 428: String *in=new String();
1.109 paf 429: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 430: if(param_index < params.count()) {
431: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 432: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 433: // $.charset [previewing to handle URI pieces]
434: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
435: charset=&charsets.get(vcharset->as_string()
436: .change_case(r.charsets.source(), String::CC_UPPER));
437:
438: // $.others
439: Append_env_pair_info info={&r.charsets, &env, 0};
440: {
1.144 paf 441: // influence tainting
442: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 443: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 444: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 445: }
1.109 paf 446: // $.stdin
1.103 paf 447: if(info.vstdin) {
1.111 paf 448: stdin_specified=true;
449: if(const String* sstdin=info.vstdin->get_string()) {
450: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 451: } else
1.199 misha 452: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 453: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 454: else
1.156 misha 455: throw Exception(PARSER_RUNTIME,
1.111 paf 456: 0,
1.100 paf 457: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 458: }
1.90 paf 459: }
1.21 paf 460: }
461:
1.90 paf 462: // argv from params
1.111 paf 463: ArrayString argv;
1.162 misha 464: if(param_index < params.count()) {
1.180 misha 465: // influence tainting
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:
1.194 misha 509: if(file_out->length && as_text){
1.162 misha 510: fix_line_breaks(file_out->str, file_out->length);
511: // treat output as string
1.188 misha 512: String *real_out = new String(file_out->str);
1.162 misha 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
1.179 misha 546: throw Exception("file.execute",
1.166 misha 547: 0,
548: "output does not contain CGI header; "
549: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
550: execution.status,
1.194 misha 551: file_out->length, (file_out->length) ? (file_out->str) : "",
552: 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;
1.188 misha 568: String *header=new String(file_out->str);
1.162 misha 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
1.194 misha 577: if(header) {
1.162 misha 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:
1.194 misha 593: self.set_mode(as_text);
594:
1.42 parser 595: // $status
1.111 paf 596: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 597:
598: // $stderr
1.187 misha 599: if(!real_err->is_empty())
1.21 paf 600: self.fields().put(
1.119 paf 601: String::Body("stderr"),
1.111 paf 602: new VString(*real_err));
1.21 paf 603: }
1.111 paf 604: static void _exec(Request& r, MethodParams& params) {
605: _exec_cgi(r, params, false);
1.41 parser 606: }
1.111 paf 607: static void _cgi(Request& r, MethodParams& params) {
608: _exec_cgi(r, params, true);
1.41 parser 609: }
610:
1.111 paf 611: static void _list(Request& r, MethodParams& params) {
612: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 613:
1.191 misha 614: VRegex* vregex=0;
1.184 misha 615: VRegexCleaner vrcleaner;
616: if(params.count()>1){
617: Value& regexp=params.as_no_junction(1, "regexp must not be code");
1.191 misha 618: if(regexp.is_defined()){
1.199 misha 619: if(Value* value=regexp.as(VREGEX_TYPE)){
1.191 misha 620: vregex=static_cast<VRegex*>(value);
621: } else {
622: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
623: vregex->study();
624: vrcleaner.vregex=vregex;
625: }
1.184 misha 626: }
1.114 paf 627: }
1.47 parser 628:
1.196 misha 629: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 630:
1.111 paf 631: Table::columns_type columns(new ArrayString);
632: *columns+=new String("name");
633: Table& table=*new Table(columns);
1.47 parser 634:
1.184 misha 635: const int ovector_size=(1/*match*/)*3;
636: int ovector[ovector_size];
637:
1.47 parser 638: LOAD_DIR(absolute_path_cstr,
1.111 paf 639: const char* file_name_cstr=ffblk.ff_name;
640: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 641:
1.184 misha 642: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 643: Table::element_type row(new ArrayString);
1.190 misha 644: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.111 paf 645: table+=row;
1.47 parser 646: }
647: );
648:
1.60 parser 649: // write out result
1.111 paf 650: r.write_no_lang(*new VTable(&table));
1.47 parser 651: }
1.21 paf 652:
1.69 paf 653: #ifndef DOXYGEN
654: struct Lock_execute_body_info {
1.111 paf 655: Request* r;
656: Value* body_code;
1.69 paf 657: };
658: #endif
1.111 paf 659: static void lock_execute_body(int , void *ainfo) {
660: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 661: // execute body
1.78 paf 662: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 663: };
1.111 paf 664: static void _lock(Request& r, MethodParams& params) {
1.152 misha 665: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 666: Lock_execute_body_info info={
667: &r,
1.117 paf 668: ¶ms.as_junction(1, "body must be code")
1.116 paf 669: };
1.69 paf 670:
1.158 misha 671: file_write_action_under_lock(
672: file_spec,
673: "lock",
674: lock_execute_body,
675: &info);
1.69 paf 676: }
677:
1.111 paf 678: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 679: size_t size=0; // just to calm down compiler
1.89 paf 680: if(beforelast)
1.111 paf 681: size=s.length();
1.116 paf 682: size_t at;
1.188 misha 683: while((at=s.pos(String::Body(substr), after))!=STRING_NOT_FOUND) {
1.89 paf 684: size_t newafter=at+substr_size/*skip substr*/;
685: if(beforelast && newafter==size)
686: break;
687: after=newafter;
688: }
689:
690: return after;
691: }
692:
1.111 paf 693: static void _find(Request& r, MethodParams& params) {
1.152 misha 694: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 695: const String* file_spec;
1.90 paf 696: if(file_name.first_char()=='/')
697: file_spec=&file_name;
698: else
1.111 paf 699: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 700:
701: // easy way
1.142 paf 702: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 703: r.write_assign_lang(*file_spec);
1.90 paf 704: return;
705: }
706:
707: // monkey way
708: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 709: const String* dirname=&file_spec->mid(0, after_base_slash);
710: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 711:
712: int after_monkey_slash;
713: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 714: String test_name;
715: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
716: test_name<<basename;
1.142 paf 717: if(file_exist(r.absolute(test_name))) {
1.111 paf 718: r.write_assign_lang(test_name);
1.90 paf 719: return;
720: }
721: }
722:
723: // no way, not found
1.111 paf 724: if(params.count()==2) {
725: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 726: r.write_pass_lang(r.process(not_found_code));
727: }
728: }
729:
1.111 paf 730: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 731: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 732: // /a/some.tar.gz > /a
1.89 paf 733: // /a/b/ > /a
734: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
735: if(afterslash>0)
736: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
737: else
1.189 misha 738: r.write_assign_lang(String("."));
1.89 paf 739: }
740:
1.111 paf 741: static void _basename(Request& r, MethodParams& params) {
1.152 misha 742: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 743: // /a/some.tar.gz > some.tar.gz
1.89 paf 744: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 745: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 746: }
747:
1.111 paf 748: static void _justname(Request& r, MethodParams& params) {
1.152 misha 749: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 750: // /a/some.tar.gz > some.tar
1.89 paf 751: int afterslash=lastposafter(file_spec, 0, "/", 1);
752: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 753: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 754: }
1.111 paf 755: static void _justext(Request& r, MethodParams& params) {
1.152 misha 756: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 757: // /a/some.tar.gz > gz
1.89 paf 758: int afterdot=lastposafter(file_spec, 0, ".", 1);
759: if(afterdot>0)
1.111 paf 760: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 761: }
762:
1.111 paf 763: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 764: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 765: const String* result;
1.102 paf 766: if(file_spec.first_char()=='/')
767: result=&file_spec;
768: else {
769: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
770: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 771: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 772:
773: if(document_root_length>0) {
1.111 paf 774: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 775: if(last_char == '/' || last_char == '\\')
776: --document_root_length;
777: }
1.111 paf 778: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 779: }
780: r.write_assign_lang(*result);
781: }
782:
1.121 paf 783: static void _sql_string(Request& r, MethodParams&) {
784: VFile& self=GET_SELF(r, VFile);
785:
786: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
787: r.write_assign_lang(*new String(quoted));
788: }
1.89 paf 789:
1.122 paf 790: #ifndef DOXYGEN
791: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
792: const String& statement_string; const char* statement_cstr;
793: int got_columns;
794: int got_cells;
795: public:
796: String::C value;
1.131 paf 797: const String* user_file_name;
798: const String* user_content_type;
1.122 paf 799: public:
800: File_sql_event_handlers(
801: const String& astatement_string, const char* astatement_cstr):
802: statement_string(astatement_string), statement_cstr(astatement_cstr),
803: got_columns(0),
804: got_cells(0),
805: user_file_name(0),
806: user_content_type(0) {}
807:
808: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
809: if(got_columns++==3) {
1.156 misha 810: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 811: return true;
812: }
813: return false;
814: }
815: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
816: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
817: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
818: try {
819: switch(got_cells++) {
820: case 0:
821: value=String::C(str, length);
822: break;
823: case 1:
1.131 paf 824: if(!user_file_name) // user not specified?
1.190 misha 825: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 826: break;
827: case 2:
1.131 paf 828: if(!user_content_type) // user not specified?
1.190 misha 829: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 830: break;
831: default:
1.156 misha 832: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 833: return true;
834: }
835: return false;
836: } catch(...) {
837: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
838: return true;
839: }
840: }
841: };
842: #endif
843: static void _sql(Request& r, MethodParams& params) {
1.131 paf 844: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 845:
846: Temp_lang temp_lang(r, String::L_SQL);
847: const String& statement_string=r.process_to_string(statement);
1.197 misha 848: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 849:
1.122 paf 850: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 851:
1.173 misha 852: ulong limit=SQL_NO_LIMIT;
1.172 misha 853: ulong offset=0;
854:
1.131 paf 855: if(params.count()>1)
1.172 misha 856: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 857: int valid_options=0;
858: if(Value* vfilename=options->get(NAME_NAME)) {
859: valid_options++;
860: handlers.user_file_name=&vfilename->as_string();
861: }
862: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
863: valid_options++;
864: handlers.user_content_type=&vcontent_type->as_string();
865: }
1.173 misha 866: if(Value* vlimit=options->get(sql_limit_name)) {
867: valid_options++;
868: limit=(ulong)r.process_to_value(*vlimit).as_double();
869: }
1.172 misha 870: if(Value* voffset=options->get(sql_offset_name)) {
871: valid_options++;
872: offset=(ulong)r.process_to_value(*voffset).as_double();
873: }
1.131 paf 874: if(valid_options!=options->count())
1.156 misha 875: throw Exception(PARSER_RUNTIME,
1.131 paf 876: 0,
877: "called with invalid option");
878: }
879:
880:
1.122 paf 881: r.connection()->query(
1.123 paf 882: statement_cstr,
883: 0, 0,
1.173 misha 884: offset, limit,
1.122 paf 885: handlers,
886: statement_string);
887:
888: if(!handlers.value)
1.156 misha 889: throw Exception(PARSER_RUNTIME,
1.122 paf 890: 0,
891: "produced no result");
892:
1.131 paf 893: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 894:
895: VString* vcontent_type=handlers.user_content_type?
896: new VString(*handlers.user_content_type)
897: : user_file_name_cstr?
898: new VString(r.mime_type_of(user_file_name_cstr))
899: : 0;
900: VFile& self=GET_SELF(r, VFile);
901: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
1.194 misha 902: self.set_mode(false/*binary*/);
1.122 paf 903: }
1.140 paf 904:
1.139 paf 905: static void _base64(Request& r, MethodParams& params) {
1.151 misha 906: bool dynamic = !(&r.get_self() == file_class);
1.180 misha 907: if(dynamic){
908: VFile& self=GET_SELF(r, VFile);
909: if(params.count()) {
910: // decode: ^file::base64[encoded]
911: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
912: char* decoded=0;
913: size_t length=0;
914: pa_base64_decode(cstr, strlen(cstr), decoded, length);
915: if(decoded && length)
916: self.set(true/*tainted*/, decoded, length);
917: } else {
918: // encode: ^f.base64[]
919: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 920: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 921: }
1.151 misha 922: } else {
1.180 misha 923: // encode: ^file:base64[filespec]
1.152 misha 924: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 925: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 926: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 927: }
1.139 paf 928: }
1.140 paf 929:
1.146 misha 930: static void _crc32(Request& r, MethodParams& params) {
931: unsigned long crc32 = 0;
932: if(&r.get_self() == file_class) {
933: // ^file:crc32[file-name]
934: if(params.count()) {
1.152 misha 935: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 936: crc32=pa_crc32(r.absolute(file_spec));
937: } else {
1.156 misha 938: throw Exception(PARSER_RUNTIME,
1.146 misha 939: 0,
940: "file name must be defined");
941: }
942: } else {
943: // ^file.crc32[]
944: VFile& self=GET_SELF(r, VFile);
945: crc32=pa_crc32(self.value_ptr(), self.value_size());
946: }
947: r.write_no_lang(*new VInt(crc32));
948: }
949:
950:
1.147 misha 951: static void file_md5_file_action(
1.180 misha 952: struct stat& finfo,
953: int f,
954: const String& , const char* /*fname*/, bool,
955: void *context)
1.147 misha 956: {
957: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
958: if(finfo.st_size) {
1.148 misha 959: int nCount=0;
1.147 misha 960: do {
961: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 962: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 963: if ( nCount ){
964: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
965: }
1.148 misha 966: } while(nCount > 0);
1.147 misha 967: }
968: }
969:
970: const char* pa_md5(const String& file_spec)
971: {
972: PA_MD5_CTX context;
973: unsigned char digest[16];
974: pa_MD5Init(&context);
975: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
976: pa_MD5Final(digest, &context);
977:
978: return hex_string(digest, sizeof(digest), false);
979: }
980:
981: const char* pa_md5(const char *in, size_t in_size)
982: {
983: PA_MD5_CTX context;
984: unsigned char digest[16];
985: pa_MD5Init(&context);
986: pa_MD5Update(&context, (const unsigned char*)in, in_size);
987: pa_MD5Final(digest, &context);
988:
989: return hex_string(digest, sizeof(digest), false);
990: }
991:
992: static void _md5(Request& r, MethodParams& params) {
993: const char* md5;
994: if(&r.get_self() == file_class) {
995: // ^file:md5[file-name]
996: if(params.count()) {
1.152 misha 997: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 998: md5=pa_md5(r.absolute(file_spec));
999: } else {
1.156 misha 1000: throw Exception(PARSER_RUNTIME,
1.147 misha 1001: 0,
1002: "file name must be defined");
1003: }
1004: } else {
1005: // ^file.md5[]
1006: VFile& self=GET_SELF(r, VFile);
1007: md5=pa_md5(self.value_ptr(), self.value_size());
1008:
1009: }
1010: r.write_no_lang(*new String(md5));
1011: }
1012:
1.32 paf 1013: // constructor
1014:
1.111 paf 1015: MFile::MFile(): Methoded("file") {
1.146 misha 1016: // ^file::create[text;user-name;string]
1017: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1018: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1019:
1.146 misha 1020: // ^file.save[mode;file-name]
1.48 parser 1021: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1022:
1.146 misha 1023: // ^file:delete[file-name]
1.32 paf 1024: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1025:
1.146 misha 1026: // ^file:move[from-file-name;to-file-name]
1.45 parser 1027: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1028:
1.146 misha 1029: // ^file::load[mode;disk-name]
1030: // ^file::load[mode;disk-name;user-name]
1.180 misha 1031: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1032:
1.146 misha 1033: // ^file::stat[disk-name]
1.32 paf 1034: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1035:
1.162 misha 1036: // ^file::cgi[mode;file-name]
1037: // ^file::cgi[mode;file-name;env hash]
1038: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1039: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1040:
1041: // ^file::exec[mode;file-name]
1042: // ^file::exec[mode;file-name;env hash]
1043: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1044: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1045:
1046: // ^file:list[path]
1047: // ^file:list[path][regexp]
1048: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1049:
1050: // ^file:lock[path]{code}
1051: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1052:
1.146 misha 1053: // ^file:find[file-name]
1054: // ^file:find[file-name]{when-not-found}
1.90 paf 1055: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1056:
1.89 paf 1057: // ^file:dirname[/a/some.tar.gz]=/a
1058: // ^file:dirname[/a/b/]=/a
1059: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1060: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1061: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1062: // ^file:justname[/a/some.tar.gz]=some.tar
1063: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1064: // ^file:justext[/a/some.tar.gz]=gz
1065: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1066: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1067: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1068:
1069: // ^file.sql-string[]
1070: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1071:
1072: // ^file::sql[[alt_name]]{}
1073: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1074:
1.146 misha 1075: // ^file::base64[string] << decode
1.139 paf 1076: // ^file.base64[] << encode
1.151 misha 1077: // ^file:base64[file-name] << encode
1078: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1079:
1080: // ^file.crc32[]
1081: // ^file:crc32[file-name]
1082: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1083:
1084: // ^file.md5[]
1085: // ^file:md5[file-name]
1086: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1087:
1.148 misha 1088: // ^file:copy[from-file-name;to-file-name]
1089: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1090: }
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