src/inspircd_io.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include <sys/time.h>
  21 #include <sys/resource.h>
  22 #include <sys/types.h>
  23 #include <string>
  24 #include <unistd.h>
  25 #include <sstream>
  26 #include <iostream>
  27 #include <fstream>
  28 #include "inspircd.h"
  29 #include "inspircd_io.h"
  30 #include "inspircd_util.h"
  31 #include "inspstring.h"
  32 #include "helperfuncs.h"
  33
  34 extern ServerConfig *Config;
  35 extern int boundPortCount;
  36 extern int openSockfd[MAXSOCKS];
  37 extern time_t TIME;
  38 std::vector<std::string> include_stack;
  39
  40 void WriteOpers(char* text, ...);
  41
  42 void Exit (int status)
  43 {
  44         if (Config->log_file)
  45                 fclose(Config->log_file);
  46         send_error("Server shutdown.");
  47         exit (status);
  48 }
  49
  50 void Killed(int status)
  51 {
  52         if (Config->log_file)
  53                 fclose(Config->log_file);
  54         send_error("Server terminated.");
  55         exit(status);
  56 }
  57
  58 void Rehash(int status)
  59 {
  60         WriteOpers("Rehashing config file %s due to SIGHUP",CONFIG_FILE);
  61         ReadConfig(false,NULL);
  62 }
  63
  64
  65
  66 void Start (void)
  67 {
  68         printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
  69         printf("(C) ChatSpike Development team.\033[0m\n\n");
  70         printf("Developers:\033[1;32m     Brain, FrostyCoolSlug\033[0m\n");
  71         printf("Documentation:\033[1;32m  FrostyCoolSlug, w00t\033[0m\n");
  72         printf("Testers:\033[1;32m        typobox43, piggles, Lord_Zathras, CC\033[0m\n");
  73         printf("Name concept:\033[1;32m   Lord_Zathras\033[0m\n\n");
  74 }
  75
  76 void WritePID(std::string filename)
  77 {
  78         ofstream outfile(filename.c_str());
  79         if (outfile.is_open())
  80         {
  81                 outfile << getpid();
  82                 outfile.close();
  83         }
  84         else
  85         {
  86                 printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
  87                 log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
  88                 Exit(0);
  89         }
  90 }
  91
  92
  93 int DaemonSeed (void)
  94 {
  95         int childpid;
  96         signal (SIGALRM, SIG_IGN);
  97         signal (SIGHUP, Rehash);
  98         signal (SIGPIPE, SIG_IGN);
  99         signal (SIGTERM, Exit);
 100         signal (SIGSEGV, Error);
 101         if ((childpid = fork ()) < 0)
 102                 return (ERROR);
 103         else if (childpid > 0)
 104                 exit (0);
 105         setsid ();
 106         umask (007);
 107         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 108
 109         setpriority(PRIO_PROCESS,(int)getpid(),15);
 110
 111         if (Config->unlimitcore)
 112         {
 113                 rlimit rl;
 114                 if (getrlimit(RLIMIT_CORE, &rl) == -1)
 115                 {
 116                         log(DEFAULT,"Failed to getrlimit()!");
 117                         return(FALSE);
 118                 }
 119                 else
 120                 {
 121                         rl.rlim_cur = rl.rlim_max;
 122                         if (setrlimit(RLIMIT_CORE, &rl) == -1)
 123                                 log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 124                 }
 125         }
 126
 127         return (TRUE);
 128 }
 129
 130
 131 /* Make Sure Modules Are Avaliable!
 132  * (BugFix By Craig.. See? I do work! :p)
 133  * Modified by brain, requires const char*
 134  * to work with other API functions
 135  */
 136
 137 bool FileExists (const char* file)
 138 {
 139         FILE *input;
 140         if ((input = fopen (file, "r")) == NULL)
 141         {
 142                 return(false);
 143         }
 144         else
 145         {
 146                 fclose (input);
 147                 return(true);
 148         }
 149 }
 150
 151 /* ConfProcess does the following things to a config line in the following order:
 152  *
 153  * Processes the line for syntax errors as shown below
 154  *      (1) Line void of quotes or equals (a malformed, illegal tag format)
 155  *      (2) Odd number of quotes on the line indicating a missing quote
 156  *      (3) number of equals signs not equal to number of quotes / 2 (missing an equals sign)
 157  *      (4) Spaces between the opening bracket (<) and the keyword
 158  *      (5) Spaces between a keyword and an equals sign
 159  *      (6) Spaces between an equals sign and a quote
 160  * Removes trailing spaces
 161  * Removes leading spaces
 162  * Converts tabs to spaces
 163  * Turns multiple spaces that are outside of quotes into single spaces
 164  */
 165
 166 std::string ConfProcess(char* buffer, long linenumber, std::stringstream* errorstream, bool &error, std::string filename)
 167 {
 168         long number_of_quotes = 0;
 169         long number_of_equals = 0;
 170         bool has_open_bracket = false;
 171         bool in_quotes = false;
 172         error = false;
 173         if (!buffer)
 174         {
 175                 return "";
 176         }
 177         // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces
 178         for (unsigned int d = 0; d < strlen(buffer); d++)
 179                 if ((buffer[d]) == 9)
 180                         buffer[d] = ' ';
 181         while ((buffer[0] == ' ') && (strlen(buffer)>0)) buffer++;
 182         while ((buffer[strlen(buffer)-1] == ' ') && (strlen(buffer)>0)) buffer[strlen(buffer)-1] = '\0';
 183
 184         // empty lines are syntactically valid, as are comments
 185         if (!(*buffer) || buffer[0] == '#')
 186                 return "";
 187
 188         for (unsigned int c = 0; c < strlen(buffer); c++)
 189         {
 190                 // convert all spaces that are OUTSIDE quotes into hardspace (0xA0) as this will make them easier to
 191                 // search and replace later :)
 192                 if ((!in_quotes) && (buffer[c] == ' '))
 193                         buffer[c] = '\xA0';
 194                 if ((buffer[c] == '<') && (!in_quotes))
 195                 {
 196                         has_open_bracket = true;
 197                         if (strlen(buffer) == 1)
 198                         {
 199                                 *errorstream << "Tag without identifier at " << filename << ":" << linenumber << endl;
 200                                 error = true;
 201                                 return "";
 202                         }
 203                         else if ((tolower(buffer[c+1]) < 'a') || (tolower(buffer[c+1]) > 'z'))
 204                         {
 205                                 *errorstream << "Invalid characters in identifier at " << filename << ":" << linenumber << endl;
 206                                 error = true;
 207                                 return "";
 208                         }
 209                 }
 210                 if (buffer[c] == '"')
 211                 {
 212                         number_of_quotes++;
 213                         in_quotes = (!in_quotes);
 214                 }
 215                 if ((buffer[c] == '=') && (!in_quotes))
 216                 {
 217                         number_of_equals++;
 218                         if (strlen(buffer) == c)
 219                         {
 220                                 *errorstream << "Variable without a value at " << filename << ":" << linenumber << endl;
 221                                 error = true;
 222                                 return "";
 223                         }
 224                         else if (buffer[c+1] != '"')
 225                         {
 226                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 227                                 error = true;
 228                                 return "";
 229                         }
 230                         else if (!c)
 231                         {
 232                                 *errorstream << "Value without a variable (line starts with '=') at " << filename << ":" << linenumber << endl;
 233                                 error = true;
 234                                 return "";
 235                         }
 236                         else if (buffer[c-1] == '\xA0')
 237                         {
 238                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 239                                 error = true;
 240                                 return "";
 241                         }
 242                 }
 243         }
 244         // no quotes, and no equals. something freaky.
 245         if ((!number_of_quotes) || (!number_of_equals) && (strlen(buffer)>2) && (buffer[0]=='<'))
 246         {
 247                 *errorstream << "Malformed tag at " << filename << ":" << linenumber << endl;
 248                 error = true;
 249                 return "";
 250         }
 251         // odd number of quotes. thats just wrong.
 252         if ((number_of_quotes % 2) != 0)
 253         {
 254                 *errorstream << "Missing \" at " << filename << ":" << linenumber << endl;
 255                 error = true;
 256                 return "";
 257         }
 258         if (number_of_equals < (number_of_quotes/2))
 259         {
 260                 *errorstream << "Missing '=' at " << filename << ":" << linenumber << endl;
 261         }
 262         if (number_of_equals > (number_of_quotes/2))
 263         {
 264                 *errorstream << "Too many '=' at " << filename << ":" << linenumber << endl;
 265         }
 266
 267         std::string parsedata = buffer;
 268         // turn multispace into single space
 269         while (parsedata.find("\xA0\xA0") != std::string::npos)
 270         {
 271                 parsedata.erase(parsedata.find("\xA0\xA0"),1);
 272         }
 273
 274         // turn our hardspace back into softspace
 275         for (unsigned int d = 0; d < parsedata.length(); d++)
 276         {
 277                 if (parsedata[d] == '\xA0')
 278                         parsedata[d] = ' ';
 279         }
 280
 281         // and we're done, the line is fine!
 282         return parsedata;
 283 }
 284
 285 int fgets_safe(char* buffer, size_t maxsize, FILE* &file)
 286 {
 287         char c_read = '\0';
 288         unsigned int bufptr = 0;
 289         while ((!feof(file)) && (c_read != '\n') && (c_read != '\r') && (bufptr < maxsize))
 290         {
 291                 c_read = fgetc(file);
 292                 if ((c_read != '\n') && (c_read != '\r'))
 293                         buffer[bufptr++] = c_read;
 294         }
 295         buffer[bufptr] = '\0';
 296         return bufptr;
 297 }
 298
 299 bool LoadConf(const char* filename, std::stringstream *target, std::stringstream* errorstream)
 300 {
 301         target->str("");
 302         errorstream->str("");
 303         long linenumber = 1;
 304         // first, check that the file exists before we try to do anything with it
 305         if (!FileExists(filename))
 306         {
 307                 *errorstream << "File " << filename << " not found." << endl;
 308                 return false;
 309         }
 310         // Fix the chmod of the file to restrict it to the current user and group
 311         chmod(filename,0600);
 312         for (unsigned int t = 0; t < include_stack.size(); t++)
 313         {
 314                 if (std::string(filename) == include_stack[t])
 315                 {
 316                         *errorstream << "File " << filename << " is included recursively (looped inclusion)." << endl;
 317                         return false;
 318                 }
 319         }
 320         include_stack.push_back(filename);
 321         // now open it
 322         FILE* conf = fopen(filename,"r");
 323         char buffer[MAXBUF];
 324         if (conf)
 325         {
 326                 while (!feof(conf))
 327                 {
 328                         if (fgets_safe(buffer, MAXBUF, conf))
 329                         {
 330                                 if ((!feof(conf)) && (buffer) && (strlen(buffer)))
 331                                 {
 332                                         if ((buffer[0] != '#') && (buffer[0] != '\r')  && (buffer[0] != '\n'))
 333                                         {
 334                                                 if (!strncmp(buffer,"<include file=\"",15))
 335                                                 {
 336                                                         char* buf = buffer;
 337                                                         char confpath[10240],newconf[10240];
 338                                                         // include file directive
 339                                                         buf += 15;      // advance to filename
 340                                                         for (unsigned int j = 0; j < strlen(buf); j++)
 341                                                         {
 342                                                                 if (buf[j] == '\\')
 343                                                                         buf[j] = '/';
 344                                                                 if (buf[j] == '"')
 345                                                                 {
 346                                                                         buf[j] = '\0';
 347                                                                         break;
 348                                                                 }
 349                                                         }
 350                                                         log(DEFAULT,"Opening included file '%s'",buf);
 351                                                         if (*buf != '/')
 352                                                         {
 353                                                                 strlcpy(confpath,CONFIG_FILE,10240);
 354                                                                 if (strstr(confpath,"/inspircd.conf"))
 355                                                                 {
 356                                                                         // leaves us with just the path
 357                                                                         *(strstr(confpath,"/inspircd.conf")) = '\0';
 358                                                                 }
 359                                                                 snprintf(newconf,10240,"%s/%s",confpath,buf);
 360                                                         }
 361                                                         else snprintf(newconf,10240,"%s",buf);
 362                                                         std::stringstream merge(stringstream::in | stringstream::out);
 363                                                         // recursively call LoadConf and get the new data, use the same errorstream
 364                                                         if (LoadConf(newconf, &merge, errorstream))
 365                                                         {
 366                                                                 // append to the end of the file
 367                                                                 std::string newstuff = merge.str();
 368                                                                 *target << newstuff;
 369                                                         }
 370                                                         else
 371                                                         {
 372                                                                 // the error propogates up to its parent recursively
 373                                                                 // causing the config reader to bail at the top level.
 374                                                                 fclose(conf);
 375                                                                 return false;
 376                                                         }
 377                                                 }
 378                                                 else
 379                                                 {
 380                                                         bool error = false;
 381                                                         std::string data = ConfProcess(buffer,linenumber++,errorstream,error,filename);
 382                                                         if (error)
 383                                                         {
 384                                                                 return false;
 385                                                         }
 386                                                         *target << data;
 387                                                 }
 388                                         }
 389                                         else linenumber++;
 390                                 }
 391                         }
 392                 }
 393                 fclose(conf);
 394         }
 395         target->seekg(0);
 396         return true;
 397 }
 398
 399 /* Counts the number of tags of a certain type within the config file, e.g. to enumerate opers */
 400
 401 int EnumConf(std::stringstream *config, const char* tag)
 402 {
 403         int ptr = 0;
 404         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
 405         int in_token, in_quotes, tptr, idx = 0;
 406
 407         const char* buf = config->str().c_str();
 408         long bptr = 0;
 409         long len = strlen(buf);
 410
 411         ptr = 0;
 412         in_token = 0;
 413         in_quotes = 0;
 414         lastc = '\0';
 415         while (bptr<len)
 416         {
 417                 lastc = c;
 418                 c = buf[bptr++];
 419                 if ((c == '#') && (lastc == '\n'))
 420                 {
 421                         while ((c != '\n') && (bptr<len))
 422                         {
 423                                 lastc = c;
 424                                 c = buf[bptr++];
 425                         }
 426                 }
 427                 if ((c == '<') && (!in_quotes))
 428                 {
 429                         tptr = 0;
 430                         in_token = 1;
 431                         do {
 432                                 c = buf[bptr++];
 433                                 if (c != ' ')
 434                                 {
 435                                         c_tag[tptr++] = c;
 436                                         c_tag[tptr] = '\0';
 437                                 }
 438                         } while (c != ' ');
 439                 }
 440                 if (c == '"')
 441                 {
 442                         in_quotes = (!in_quotes);
 443                 }
 444                 if ((c == '>') && (!in_quotes))
 445                 {
 446                         in_token = 0;
 447                         if (!strcmp(c_tag,tag))
 448                         {
 449                                 /* correct tag, but wrong index */
 450                                 idx++;
 451                         }
 452                         c_tag[0] = '\0';
 453                         buffer[0] = '\0';
 454                         ptr = 0;
 455                         tptr = 0;
 456                 }
 457                 if (c != '>')
 458                 {
 459                         if ((in_token) && (c != '\n') && (c != '\r'))
 460                         {
 461                                 buffer[ptr++] = c;
 462                                 buffer[ptr] = '\0';
 463                         }
 464                 }
 465         }
 466         return idx;
 467 }
 468
 469 /* Counts the number of values within a certain tag */
 470
 471 int EnumValues(std::stringstream *config, const char* tag, int index)
 472 {
 473         int ptr = 0;
 474         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
 475         int in_token, in_quotes, tptr, idx = 0;
 476
 477         bool correct_tag = false;
 478         int num_items = 0;
 479
 480         const char* buf = config->str().c_str();
 481         long bptr = 0;
 482         long len = strlen(buf);
 483
 484         ptr = 0;
 485         in_token = 0;
 486         in_quotes = 0;
 487         lastc = '\0';
 488         while (bptr<len)
 489         {
 490                 lastc = c;
 491                 c = buf[bptr++];
 492                 if ((c == '#') && (lastc == '\n'))
 493                 {
 494                         while ((c != '\n') && (bptr<len))
 495                         {
 496                                 lastc = c;
 497                                 c = buf[bptr++];
 498                         }
 499                 }
 500                 if ((c == '<') && (!in_quotes))
 501                 {
 502                         tptr = 0;
 503                         in_token = 1;
 504                         do {
 505                                 c = buf[bptr++];
 506                                 if (c != ' ')
 507                                 {
 508                                         c_tag[tptr++] = c;
 509                                         c_tag[tptr] = '\0';
 510
 511                                         if ((!strcmp(c_tag,tag)) && (idx == index))
 512                                         {
 513                                                 correct_tag = true;
 514                                         }
 515                                 }
 516                         } while (c != ' ');
 517                 }
 518                 if (c == '"')
 519                 {
 520                         in_quotes = (!in_quotes);
 521                 }
 522
 523                 if ( (correct_tag) && (!in_quotes) && ( (c == ' ') || (c == '\n') || (c == '\r') ) )
 524                 {
 525                         num_items++;
 526                 }
 527                 if ((c == '>') && (!in_quotes))
 528                 {
 529                         in_token = 0;
 530                         if (correct_tag)
 531                                 correct_tag = false;
 532                         if (!strcmp(c_tag,tag))
 533                         {
 534                                 /* correct tag, but wrong index */
 535                                 idx++;
 536                         }
 537                         c_tag[0] = '\0';
 538                         buffer[0] = '\0';
 539                         ptr = 0;
 540                         tptr = 0;
 541                 }
 542                 if (c != '>')
 543                 {
 544                         if ((in_token) && (c != '\n') && (c != '\r'))
 545                         {
 546                                 buffer[ptr++] = c;
 547                                 buffer[ptr] = '\0';
 548                         }
 549                 }
 550         }
 551         return num_items+1;
 552 }
 553
 554
 555
 556 int ConfValueEnum(char* tag, std::stringstream* config)
 557 {
 558         return EnumConf(config,tag);
 559 }
 560
 561
 562
 563 /* Retrieves a value from the config file. If there is more than one value of the specified
 564  * key and section (e.g. for opers etc) then the index value specifies which to retreive, e.g.
 565  *
 566  * ConfValue("oper","name",2,result);
 567  */
 568
 569 int ReadConf(std::stringstream *config, const char* tag, const char* var, int index, char *result)
 570 {
 571         int ptr = 0;
 572         char buffer[65535], c_tag[MAXBUF], c, lastc;
 573         int in_token, in_quotes, tptr, idx = 0;
 574         char* key;
 575
 576         const char* buf = config->str().c_str();
 577         long bptr = 0;
 578         long len = config->str().length();
 579
 580         ptr = 0;
 581         in_token = 0;
 582         in_quotes = 0;
 583         lastc = '\0';
 584         c_tag[0] = '\0';
 585         buffer[0] = '\0';
 586         while (bptr<len)
 587         {
 588                 lastc = c;
 589                 c = buf[bptr++];
 590                 // FIX: Treat tabs as spaces
 591                 if (c == 9)
 592                         c = 32;
 593                 if ((c == '<') && (!in_quotes))
 594                 {
 595                         tptr = 0;
 596                         in_token = 1;
 597                         do {
 598                                 c = buf[bptr++];
 599                                 if (c != ' ')
 600                                 {
 601                                         c_tag[tptr++] = c;
 602                                         c_tag[tptr] = '\0';
 603                                 }
 604                         // FIX: Tab can follow a tagname as well as space.
 605                         } while ((c != ' ') && (c != 9));
 606                 }
 607                 if (c == '"')
 608                 {
 609                         in_quotes = (!in_quotes);
 610                 }
 611                 if ((c == '>') && (!in_quotes))
 612                 {
 613                         in_token = 0;
 614                         if (idx == index)
 615                         {
 616                                 if (!strcmp(c_tag,tag))
 617                                 {
 618                                         if ((buffer) && (c_tag) && (var))
 619                                         {
 620                                                 key = strstr(buffer,var);
 621                                                 if (!key)
 622                                                 {
 623                                                         /* value not found in tag */
 624                                                         strcpy(result,"");
 625                                                         return 0;
 626                                                 }
 627                                                 else
 628                                                 {
 629                                                         key+=strlen(var);
 630                                                         while (key[0] !='"')
 631                                                         {
 632                                                                 if (!strlen(key))
 633                                                                 {
 634                                                                         /* missing quote */
 635                                                                         strcpy(result,"");
 636                                                                         return 0;
 637                                                                 }
 638                                                                 key++;
 639                                                         }
 640                                                         key++;
 641                                                         for (unsigned j = 0; j < strlen(key); j++)
 642                                                         {
 643                                                                 if (key[j] == '"')
 644                                                                 {
 645                                                                         key[j] = '\0';
 646                                                                 }
 647                                                         }
 648                                                         strlcpy(result,key,MAXBUF);
 649                                                         return 1;
 650                                                 }
 651                                         }
 652                                 }
 653                         }
 654                         if (!strcmp(c_tag,tag))
 655                         {
 656                                 /* correct tag, but wrong index */
 657                                 idx++;
 658                         }
 659                         c_tag[0] = '\0';
 660                         buffer[0] = '\0';
 661                         ptr = 0;
 662                         tptr = 0;
 663                 }
 664                 if (c != '>')
 665                 {
 666                         if ((in_token) && (c != '\n') && (c != '\r'))
 667                         {
 668                                 buffer[ptr++] = c;
 669                                 buffer[ptr] = '\0';
 670                         }
 671                 }
 672         }
 673         strcpy(result,""); // value or its tag not found at all
 674         return 0;
 675 }
 676
 677
 678
 679 int ConfValue(char* tag, char* var, int index, char *result,std::stringstream *config)
 680 {
 681         ReadConf(config, tag, var, index, result);
 682         return 0;
 683 }
 684
 685
 686
 687 // This will bind a socket to a port. It works for UDP/TCP
 688 int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
 689 {
 690         memset((char *)&server,0,sizeof(server));
 691         struct in_addr addy;
 692         inet_aton(addr,&addy);
 693         server.sin_family = AF_INET;
 694         if (!strcmp(addr,""))
 695         {
 696                 server.sin_addr.s_addr = htonl(INADDR_ANY);
 697         }
 698         else
 699         {
 700                 server.sin_addr = addy;
 701         }
 702         server.sin_port = htons(port);
 703         if (bind(sockfd,(struct sockaddr*)&server,sizeof(server))<0)
 704         {
 705                 return(ERROR);
 706         }
 707         else
 708         {
 709                 listen(sockfd, Config->MaxConn);
 710                 return(TRUE);
 711         }
 712 }
 713
 714
 715 // Open a TCP Socket
 716 int OpenTCPSocket (void)
 717 {
 718         int sockfd;
 719         int on = 1;
 720         struct linger linger = { 0 };
 721
 722         if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
 723                 return (ERROR);
 724         else
 725         {
 726                 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 727                 /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
 728                 linger.l_onoff = 1;
 729                 linger.l_linger = 1;
 730                 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 731                 return (sockfd);
 732         }
 733 }