Annotation of parser3/src/classes/file.C, revision 1.199
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:
1.199 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2009-07-07 07:26:59 $";
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);
1.23 paf 421: char content_length_cstr[MAX_NUMBER];
1.111 paf 422: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length);
423: //String content_length(content_length_cstr);
1.62 paf 424: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 425: // SCRIPT_*
1.119 paf 426: env.put(String::Body("SCRIPT_NAME"), script_name);
427: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 428:
1.111 paf 429: bool stdin_specified=false;
1.90 paf 430: // environment & stdin from param
1.111 paf 431: String *in=new String();
1.109 paf 432: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 433: if(param_index < params.count()) {
434: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 435: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 436: // $.charset [previewing to handle URI pieces]
437: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
438: charset=&charsets.get(vcharset->as_string()
439: .change_case(r.charsets.source(), String::CC_UPPER));
440:
441: // $.others
442: Append_env_pair_info info={&r.charsets, &env, 0};
443: {
1.144 paf 444: // influence tainting
445: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 446: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 447: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 448: }
1.109 paf 449: // $.stdin
1.103 paf 450: if(info.vstdin) {
1.111 paf 451: stdin_specified=true;
452: if(const String* sstdin=info.vstdin->get_string()) {
453: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 454: } else
1.199 ! misha 455: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 456: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 457: else
1.156 misha 458: throw Exception(PARSER_RUNTIME,
1.111 paf 459: 0,
1.100 paf 460: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 461: }
1.90 paf 462: }
1.21 paf 463: }
464:
1.90 paf 465: // argv from params
1.111 paf 466: ArrayString argv;
1.162 misha 467: if(param_index < params.count()) {
1.180 misha 468: // influence tainting
469: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 470:
1.162 misha 471: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 472: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 473: if(param.is_defined()){
474: if(param.is_string()){
1.155 misha 475: append_to_argv(r, argv, param.get_string());
1.154 misha 476: } else {
1.155 misha 477: Table* table=param.get_table();
478: if(table){
479: for(size_t i=0; i<table->count(); i++) {
480: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 481: }
482: } else {
1.156 misha 483: throw Exception(PARSER_RUNTIME,
1.154 misha 484: 0,
1.162 misha 485: "param must be string or table");
1.154 misha 486: }
487: }
1.145 misha 488: }
1.144 paf 489: }
1.21 paf 490: }
1.90 paf 491:
1.109 paf 492: // transcode if necessary
493: if(charset) {
1.111 paf 494: Charset::transcode(env, r.charsets.source(), *charset);
495: Charset::transcode(argv, r.charsets.source(), *charset);
496: in=&Charset::transcode(*in, r.charsets.source(), *charset);
497: }
498: // @todo
499: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
500: // match silent conversion in OS
501:
502: // exec!
1.163 misha 503: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 504:
1.162 misha 505: File_read_result *file_out=&execution.out;
1.111 paf 506: String *real_err=&execution.err;
1.162 misha 507:
1.165 misha 508: // transcode err if necessary (@todo: need fix line breaks in err as well )
509: if(charset)
510: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
511:
1.194 misha 512: if(file_out->length && as_text){
1.162 misha 513: fix_line_breaks(file_out->str, file_out->length);
514: // treat output as string
1.188 misha 515: String *real_out = new String(file_out->str);
1.162 misha 516:
1.165 misha 517: // transcode out if necessary
518: if(charset)
1.162 misha 519: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 520:
1.162 misha 521: // FIXME: unsafe cast
1.163 misha 522: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 523: file_out->length = real_out->length();
1.109 paf 524: }
525:
1.111 paf 526: VFile& self=GET_SELF(r, VFile);
1.109 paf 527:
1.162 misha 528: if(cgi) { // ^file::cgi
1.163 misha 529: const char* eol_marker=0;
530: size_t eol_marker_size;
531:
1.111 paf 532: // construct with 'out' body and header
1.165 misha 533: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
534: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 535:
536: bool unix_header_break;
537: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 538: case 10: // dos
539: unix_header_break=false;
540: break;
541: case 01: // unix
542: unix_header_break=true;
543: break;
544: case 11: // dos & unix
545: unix_header_break=unix_pos<dos_pos;
546: break;
547: default: // 00
548: unix_header_break=false; // calm down, compiler
1.179 misha 549: throw Exception("file.execute",
1.166 misha 550: 0,
551: "output does not contain CGI header; "
552: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
553: execution.status,
1.194 misha 554: file_out->length, (file_out->length) ? (file_out->str) : "",
555: real_err->length(), real_err->cstr());
1.166 misha 556: break; //never reached
1.111 paf 557: }
558:
1.165 misha 559: size_t header_break_pos;
1.111 paf 560: if(unix_header_break) {
561: header_break_pos=unix_pos;
1.165 misha 562: eol_marker="\n";
563: eol_marker_size=1;
1.111 paf 564: } else {
565: header_break_pos=dos_pos;
1.165 misha 566: eol_marker="\r\n";
567: eol_marker_size=2;
1.111 paf 568: }
1.21 paf 569:
1.162 misha 570: file_out->str[header_break_pos] = 0;
1.188 misha 571: String *header=new String(file_out->str);
1.162 misha 572: unsigned long headersize = header_break_pos+eol_marker_size*2;
573: file_out->str += headersize;
574: file_out->length -= headersize;
575:
1.164 misha 576: // $body
577: self.set(false/*not tainted*/, file_out->str, file_out->length);
578:
1.162 misha 579: // $fields << header
1.194 misha 580: if(header) {
1.162 misha 581: ArrayString rows;
582: size_t pos_after=0;
583: header->split(rows, pos_after, eol_marker);
584: Pass_cgi_header_attribute_info info={0, 0, 0};
585: info.charset=&r.charsets.source();
586: info.fields=&self.fields();
587: rows.for_each(pass_cgi_header_attribute, &info);
588: if(info.content_type)
589: self.fields().put(content_type_name, info.content_type);
590: }
1.164 misha 591: } else { // ^file::exec
1.166 misha 592: // $body
593: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 594: }
1.163 misha 595:
1.194 misha 596: self.set_mode(as_text);
597:
1.42 parser 598: // $status
1.111 paf 599: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 600:
601: // $stderr
1.187 misha 602: if(!real_err->is_empty())
1.21 paf 603: self.fields().put(
1.119 paf 604: String::Body("stderr"),
1.111 paf 605: new VString(*real_err));
1.21 paf 606: }
1.111 paf 607: static void _exec(Request& r, MethodParams& params) {
608: _exec_cgi(r, params, false);
1.41 parser 609: }
1.111 paf 610: static void _cgi(Request& r, MethodParams& params) {
611: _exec_cgi(r, params, true);
1.41 parser 612: }
613:
1.111 paf 614: static void _list(Request& r, MethodParams& params) {
615: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 616:
1.191 misha 617: VRegex* vregex=0;
1.184 misha 618: VRegexCleaner vrcleaner;
619: if(params.count()>1){
620: Value& regexp=params.as_no_junction(1, "regexp must not be code");
1.191 misha 621: if(regexp.is_defined()){
1.199 ! misha 622: if(Value* value=regexp.as(VREGEX_TYPE)){
1.191 misha 623: vregex=static_cast<VRegex*>(value);
624: } else {
625: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
626: vregex->study();
627: vrcleaner.vregex=vregex;
628: }
1.184 misha 629: }
1.114 paf 630: }
1.47 parser 631:
1.196 misha 632: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 633:
1.111 paf 634: Table::columns_type columns(new ArrayString);
635: *columns+=new String("name");
636: Table& table=*new Table(columns);
1.47 parser 637:
1.184 misha 638: const int ovector_size=(1/*match*/)*3;
639: int ovector[ovector_size];
640:
1.47 parser 641: LOAD_DIR(absolute_path_cstr,
1.111 paf 642: const char* file_name_cstr=ffblk.ff_name;
643: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 644:
1.184 misha 645: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 646: Table::element_type row(new ArrayString);
1.190 misha 647: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.111 paf 648: table+=row;
1.47 parser 649: }
650: );
651:
1.60 parser 652: // write out result
1.111 paf 653: r.write_no_lang(*new VTable(&table));
1.47 parser 654: }
1.21 paf 655:
1.69 paf 656: #ifndef DOXYGEN
657: struct Lock_execute_body_info {
1.111 paf 658: Request* r;
659: Value* body_code;
1.69 paf 660: };
661: #endif
1.111 paf 662: static void lock_execute_body(int , void *ainfo) {
663: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 664: // execute body
1.78 paf 665: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 666: };
1.111 paf 667: static void _lock(Request& r, MethodParams& params) {
1.152 misha 668: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 669: Lock_execute_body_info info={
670: &r,
1.117 paf 671: ¶ms.as_junction(1, "body must be code")
1.116 paf 672: };
1.69 paf 673:
1.158 misha 674: file_write_action_under_lock(
675: file_spec,
676: "lock",
677: lock_execute_body,
678: &info);
1.69 paf 679: }
680:
1.111 paf 681: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 682: size_t size=0; // just to calm down compiler
1.89 paf 683: if(beforelast)
1.111 paf 684: size=s.length();
1.116 paf 685: size_t at;
1.188 misha 686: while((at=s.pos(String::Body(substr), after))!=STRING_NOT_FOUND) {
1.89 paf 687: size_t newafter=at+substr_size/*skip substr*/;
688: if(beforelast && newafter==size)
689: break;
690: after=newafter;
691: }
692:
693: return after;
694: }
695:
1.111 paf 696: static void _find(Request& r, MethodParams& params) {
1.152 misha 697: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 698: const String* file_spec;
1.90 paf 699: if(file_name.first_char()=='/')
700: file_spec=&file_name;
701: else
1.111 paf 702: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 703:
704: // easy way
1.142 paf 705: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 706: r.write_assign_lang(*file_spec);
1.90 paf 707: return;
708: }
709:
710: // monkey way
711: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 712: const String* dirname=&file_spec->mid(0, after_base_slash);
713: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 714:
715: int after_monkey_slash;
716: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 717: String test_name;
718: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
719: test_name<<basename;
1.142 paf 720: if(file_exist(r.absolute(test_name))) {
1.111 paf 721: r.write_assign_lang(test_name);
1.90 paf 722: return;
723: }
724: }
725:
726: // no way, not found
1.111 paf 727: if(params.count()==2) {
728: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 729: r.write_pass_lang(r.process(not_found_code));
730: }
731: }
732:
1.111 paf 733: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 734: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 735: // /a/some.tar.gz > /a
1.89 paf 736: // /a/b/ > /a
737: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
738: if(afterslash>0)
739: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
740: else
1.189 misha 741: r.write_assign_lang(String("."));
1.89 paf 742: }
743:
1.111 paf 744: static void _basename(Request& r, MethodParams& params) {
1.152 misha 745: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 746: // /a/some.tar.gz > some.tar.gz
1.89 paf 747: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 748: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 749: }
750:
1.111 paf 751: static void _justname(Request& r, MethodParams& params) {
1.152 misha 752: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 753: // /a/some.tar.gz > some.tar
1.89 paf 754: int afterslash=lastposafter(file_spec, 0, "/", 1);
755: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 756: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 757: }
1.111 paf 758: static void _justext(Request& r, MethodParams& params) {
1.152 misha 759: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 760: // /a/some.tar.gz > gz
1.89 paf 761: int afterdot=lastposafter(file_spec, 0, ".", 1);
762: if(afterdot>0)
1.111 paf 763: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 764: }
765:
1.111 paf 766: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 767: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 768: const String* result;
1.102 paf 769: if(file_spec.first_char()=='/')
770: result=&file_spec;
771: else {
772: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
773: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 774: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 775:
776: if(document_root_length>0) {
1.111 paf 777: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 778: if(last_char == '/' || last_char == '\\')
779: --document_root_length;
780: }
1.111 paf 781: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 782: }
783: r.write_assign_lang(*result);
784: }
785:
1.121 paf 786: static void _sql_string(Request& r, MethodParams&) {
787: VFile& self=GET_SELF(r, VFile);
788:
789: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
790: r.write_assign_lang(*new String(quoted));
791: }
1.89 paf 792:
1.122 paf 793: #ifndef DOXYGEN
794: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
795: const String& statement_string; const char* statement_cstr;
796: int got_columns;
797: int got_cells;
798: public:
799: String::C value;
1.131 paf 800: const String* user_file_name;
801: const String* user_content_type;
1.122 paf 802: public:
803: File_sql_event_handlers(
804: const String& astatement_string, const char* astatement_cstr):
805: statement_string(astatement_string), statement_cstr(astatement_cstr),
806: got_columns(0),
807: got_cells(0),
808: user_file_name(0),
809: user_content_type(0) {}
810:
811: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
812: if(got_columns++==3) {
1.156 misha 813: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 814: return true;
815: }
816: return false;
817: }
818: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
819: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
820: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
821: try {
822: switch(got_cells++) {
823: case 0:
824: value=String::C(str, length);
825: break;
826: case 1:
1.131 paf 827: if(!user_file_name) // user not specified?
1.190 misha 828: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 829: break;
830: case 2:
1.131 paf 831: if(!user_content_type) // user not specified?
1.190 misha 832: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 833: break;
834: default:
1.156 misha 835: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 836: return true;
837: }
838: return false;
839: } catch(...) {
840: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
841: return true;
842: }
843: }
844: };
845: #endif
846: static void _sql(Request& r, MethodParams& params) {
1.131 paf 847: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 848:
849: Temp_lang temp_lang(r, String::L_SQL);
850: const String& statement_string=r.process_to_string(statement);
1.197 misha 851: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 852:
1.122 paf 853: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 854:
1.173 misha 855: ulong limit=SQL_NO_LIMIT;
1.172 misha 856: ulong offset=0;
857:
1.131 paf 858: if(params.count()>1)
1.172 misha 859: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 860: int valid_options=0;
861: if(Value* vfilename=options->get(NAME_NAME)) {
862: valid_options++;
863: handlers.user_file_name=&vfilename->as_string();
864: }
865: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
866: valid_options++;
867: handlers.user_content_type=&vcontent_type->as_string();
868: }
1.173 misha 869: if(Value* vlimit=options->get(sql_limit_name)) {
870: valid_options++;
871: limit=(ulong)r.process_to_value(*vlimit).as_double();
872: }
1.172 misha 873: if(Value* voffset=options->get(sql_offset_name)) {
874: valid_options++;
875: offset=(ulong)r.process_to_value(*voffset).as_double();
876: }
1.131 paf 877: if(valid_options!=options->count())
1.156 misha 878: throw Exception(PARSER_RUNTIME,
1.131 paf 879: 0,
880: "called with invalid option");
881: }
882:
883:
1.122 paf 884: r.connection()->query(
1.123 paf 885: statement_cstr,
886: 0, 0,
1.173 misha 887: offset, limit,
1.122 paf 888: handlers,
889: statement_string);
890:
891: if(!handlers.value)
1.156 misha 892: throw Exception(PARSER_RUNTIME,
1.122 paf 893: 0,
894: "produced no result");
895:
1.131 paf 896: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 897:
898: VString* vcontent_type=handlers.user_content_type?
899: new VString(*handlers.user_content_type)
900: : user_file_name_cstr?
901: new VString(r.mime_type_of(user_file_name_cstr))
902: : 0;
903: VFile& self=GET_SELF(r, VFile);
904: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
1.194 misha 905: self.set_mode(false/*binary*/);
1.122 paf 906: }
1.140 paf 907:
1.139 paf 908: static void _base64(Request& r, MethodParams& params) {
1.151 misha 909: bool dynamic = !(&r.get_self() == file_class);
1.180 misha 910: if(dynamic){
911: VFile& self=GET_SELF(r, VFile);
912: if(params.count()) {
913: // decode: ^file::base64[encoded]
914: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
915: char* decoded=0;
916: size_t length=0;
917: pa_base64_decode(cstr, strlen(cstr), decoded, length);
918: if(decoded && length)
919: self.set(true/*tainted*/, decoded, length);
920: } else {
921: // encode: ^f.base64[]
922: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 923: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 924: }
1.151 misha 925: } else {
1.180 misha 926: // encode: ^file:base64[filespec]
1.152 misha 927: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 928: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 929: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 930: }
1.139 paf 931: }
1.140 paf 932:
1.146 misha 933: static void _crc32(Request& r, MethodParams& params) {
934: unsigned long crc32 = 0;
935: if(&r.get_self() == file_class) {
936: // ^file:crc32[file-name]
937: if(params.count()) {
1.152 misha 938: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 939: crc32=pa_crc32(r.absolute(file_spec));
940: } else {
1.156 misha 941: throw Exception(PARSER_RUNTIME,
1.146 misha 942: 0,
943: "file name must be defined");
944: }
945: } else {
946: // ^file.crc32[]
947: VFile& self=GET_SELF(r, VFile);
948: crc32=pa_crc32(self.value_ptr(), self.value_size());
949: }
950: r.write_no_lang(*new VInt(crc32));
951: }
952:
953:
1.147 misha 954: static void file_md5_file_action(
1.180 misha 955: struct stat& finfo,
956: int f,
957: const String& , const char* /*fname*/, bool,
958: void *context)
1.147 misha 959: {
960: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
961: if(finfo.st_size) {
1.148 misha 962: int nCount=0;
1.147 misha 963: do {
964: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 965: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 966: if ( nCount ){
967: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
968: }
1.148 misha 969: } while(nCount > 0);
1.147 misha 970: }
971: }
972:
973: const char* pa_md5(const String& file_spec)
974: {
975: PA_MD5_CTX context;
976: unsigned char digest[16];
977: pa_MD5Init(&context);
978: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
979: pa_MD5Final(digest, &context);
980:
981: return hex_string(digest, sizeof(digest), false);
982: }
983:
984: const char* pa_md5(const char *in, size_t in_size)
985: {
986: PA_MD5_CTX context;
987: unsigned char digest[16];
988: pa_MD5Init(&context);
989: pa_MD5Update(&context, (const unsigned char*)in, in_size);
990: pa_MD5Final(digest, &context);
991:
992: return hex_string(digest, sizeof(digest), false);
993: }
994:
995: static void _md5(Request& r, MethodParams& params) {
996: const char* md5;
997: if(&r.get_self() == file_class) {
998: // ^file:md5[file-name]
999: if(params.count()) {
1.152 misha 1000: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1001: md5=pa_md5(r.absolute(file_spec));
1002: } else {
1.156 misha 1003: throw Exception(PARSER_RUNTIME,
1.147 misha 1004: 0,
1005: "file name must be defined");
1006: }
1007: } else {
1008: // ^file.md5[]
1009: VFile& self=GET_SELF(r, VFile);
1010: md5=pa_md5(self.value_ptr(), self.value_size());
1011:
1012: }
1013: r.write_no_lang(*new String(md5));
1014: }
1015:
1.32 paf 1016: // constructor
1017:
1.111 paf 1018: MFile::MFile(): Methoded("file") {
1.146 misha 1019: // ^file::create[text;user-name;string]
1020: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1021: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1022:
1.146 misha 1023: // ^file.save[mode;file-name]
1.48 parser 1024: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1025:
1.146 misha 1026: // ^file:delete[file-name]
1.32 paf 1027: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1028:
1.146 misha 1029: // ^file:move[from-file-name;to-file-name]
1.45 parser 1030: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1031:
1.146 misha 1032: // ^file::load[mode;disk-name]
1033: // ^file::load[mode;disk-name;user-name]
1.180 misha 1034: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1035:
1.146 misha 1036: // ^file::stat[disk-name]
1.32 paf 1037: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1038:
1.162 misha 1039: // ^file::cgi[mode;file-name]
1040: // ^file::cgi[mode;file-name;env hash]
1041: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1042: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1043:
1044: // ^file::exec[mode;file-name]
1045: // ^file::exec[mode;file-name;env hash]
1046: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1047: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1048:
1049: // ^file:list[path]
1050: // ^file:list[path][regexp]
1051: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1052:
1053: // ^file:lock[path]{code}
1054: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1055:
1.146 misha 1056: // ^file:find[file-name]
1057: // ^file:find[file-name]{when-not-found}
1.90 paf 1058: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1059:
1.89 paf 1060: // ^file:dirname[/a/some.tar.gz]=/a
1061: // ^file:dirname[/a/b/]=/a
1062: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1063: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1064: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1065: // ^file:justname[/a/some.tar.gz]=some.tar
1066: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1067: // ^file:justext[/a/some.tar.gz]=gz
1068: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1069: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1070: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1071:
1072: // ^file.sql-string[]
1073: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1074:
1075: // ^file::sql[[alt_name]]{}
1076: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1077:
1.146 misha 1078: // ^file::base64[string] << decode
1.139 paf 1079: // ^file.base64[] << encode
1.151 misha 1080: // ^file:base64[file-name] << encode
1081: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1082:
1083: // ^file.crc32[]
1084: // ^file:crc32[file-name]
1085: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1086:
1087: // ^file.md5[]
1088: // ^file:md5[file-name]
1089: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1090:
1.148 misha 1091: // ^file:copy[from-file-name;to-file-name]
1092: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1093: }
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