whois.c revision 1.12.4.2
1 /* $NetBSD: whois.c,v 1.12.4.2 2000/09/30 14:07:53 jhawk Exp $ */ 2 3 /* 4 * RIPE version marten (at) ripe.net 5 * many changes & networkupdate by david (at) ripe.net 6 * cosmetics by steven (at) dante.org.uk -- gcc stopped complaining mostly, 7 * code is still messy, though. 8 * 9 * 1.15 94/09/07 10 * 11 * 1.2 9705/02 12 * "-v" option added; ambrose (at) ripe.net 13 * "whois.ripe.net" replaced by "bsdbase.ripe.net"; ambrose (at) ripe.net 14 * "bsdbase.ripe.net" replaced by "joshua.ripe.net"; marek (at) ripe.net 15 * "joshua.ripe.net" replaced by "whois.ripe.net"; roman (at) ripe.net 981105 16 * 17 * Copyright (c) 1980 Regents of the University of California. 18 * All rights reserved. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. All advertising materials mentioning features or use of this software 29 * must display the following acknowledgement: 30 * This product includes software developed by the University of 31 * California, Berkeley and its contributors. 32 * 4. Neither the name of the University nor the names of its contributors 33 * may be used to endorse or promote products derived from this software 34 * without specific prior written permission. 35 * 36 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 37 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 39 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 40 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 41 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 42 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 44 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 45 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 */ 48 49 #include <sys/cdefs.h> 50 #if defined(sun) && defined(solaris) 51 #define SYSV 52 #endif 53 54 #ifndef lint 55 __COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\ 56 The Regents of the University of California. All rights reserved.\n"); 57 #endif /* not lint */ 58 59 #ifndef RIPE 60 #ifndef lint 61 #if 0 62 static char sccsid[] = "@(#)whois.c 8.1 (Berkeley) 6/6/93"; 63 #else 64 <<<<<<< whois.c 65 __RCSID("$NetBSD: whois.c,v 1.12.4.2 2000/09/30 14:07:53 jhawk Exp $"); 66 ======= 67 __RCSID("$NetBSD: whois.c,v 1.12.4.2 2000/09/30 14:07:53 jhawk Exp $"); 68 >>>>>>> 1.14 69 #endif 70 #endif /* not lint */ 71 #endif /* not RIPE */ 72 73 #ifdef RIPE 74 #ifndef lint 75 char sccsid[] = 76 "@(#)whois.c 5.11 (Berkeley) 3/2/91 - RIPE 1.15 94/09/07 marten (at) ripe.net"; 77 #endif /* not lint */ 78 #endif /* RIPE */ 79 80 #include <sys/types.h> 81 #include <sys/socket.h> 82 #include <sys/param.h> 83 #include <netinet/in.h> 84 #include <err.h> 85 #include <netdb.h> 86 #include <stdio.h> 87 #include <stdlib.h> 88 #include <ctype.h> 89 #include <string.h> 90 #include <errno.h> 91 #include <unistd.h> 92 #include <pwd.h> 93 #include <signal.h> 94 95 #if defined(SYSV) 96 #include <crypt.h> 97 #endif /* SYSV */ 98 99 #ifndef __NetBSD__ 100 #ifdef __STDC__ 101 extern int getopt(int argc, char * const *argv, const char *optstring); 102 extern int kill(pid_t pid, int sig); 103 extern FILE *fdopen(int fildes, const char *type); 104 extern int gethostname(char *name, int namelen); 105 #else /* !__STDC__ */ 106 extern int gethostname(); 107 #endif /* __STDC__ */ 108 #endif /* __NetBSD__ */ 109 110 #if defined(SYSV) || defined(__STDC__) 111 112 #define index(s,c) strchr((const char*)(s),(int)(c)) 113 #define rindex(s,c) strrchr((const char*)(s),(int)(c)) 114 #define bzero(s,n) memset((void*)s,0,(size_t)n) 115 116 #ifdef HASMEMMOVE 117 # define bcopy(s,d,n) memmove((void*)(d),(void*)(s),(size_t)(n)) 118 #else 119 # define bcopy(s,d,n) memcpy((void*)(d),(void*)(s),(size_t)(n)) 120 #endif /* HASMEMMOVE */ 121 122 #endif /* SYSV || __STDC__ */ 123 124 #ifdef GLIBC 125 typedef __u_short u_short; 126 typedef __caddr_t caddr_t; 127 #endif /* GLIBC */ 128 129 /* 130 131 # the following defines can be used but are not fully functional anymore... 132 # 133 # CLEVER- Use a educated guess of the whereabouts of the nearest server 134 # This is done by taking the top-level domain of the current 135 # machine, and looking for a CNAME record for a server with name 136 # <top-level-domain>-whois.ripe.net 137 # If this machine does not exsist or the current machine's top-level 138 # domain could not be found,it will fall back to whois.ripe.net 139 # the default for this RIPE version of whois 140 # The CLEVER option implies the RIPE option. 141 142 # TOPDOMAIN=\"<top-level-domain>\" 143 # - This option will fix the default host to be 144 # <top-level-domain>-whois.ripe.net, which may point to a secondary 145 # server inside your top-level domain. If there is no such secondary 146 # server, it will point to whois.ripe.net, the default. This option 147 # overrules the CLEVER option. 148 # The TOPDOMAIN option implies the RIPE option. 149 150 */ 151 152 #if defined(TOPDOMAIN) || defined(CLEVER) 153 #ifndef RIPE 154 #define RIPE 155 #endif /* !RIPE */ 156 #endif /* TOPDOMAIN || CLEVER */ 157 158 #if defined(RIPE) && !defined(__NetBSD__) 159 #include <sys/param.h> 160 #define NICHOST "whois.ripe.net" 161 #else 162 #define NICHOST "whois.internic.net" 163 #endif 164 165 int main __P((int, char **)); 166 static void usage __P((void)); 167 static void closesocket __P((int, int)); 168 static void termhandler __P((int)); 169 170 void usage() 171 { 172 #ifdef RIPE 173 #ifdef NETWORKUPDATE 174 (void)fprintf(stderr, "\nUsage: networkupdate [-46] [-h hostname] [-p port]"); 175 #else 176 (void)fprintf(stderr, "\nUsage: whois [-46aFLmMrSvR] [-h hostname] [-s sources] [-T types] [-i attr] keys\n"); 177 (void)fprintf(stderr, " whois -t type"); 178 (void)fprintf(stderr, " whois -v type"); 179 #endif 180 #else 181 (void)fprintf(stderr, "\nUsage: whois [-46] [-h hostname] [-p port] name ..."); 182 #endif 183 (void)fprintf(stderr, "\n\nWhere:\n\n"); 184 (void)fprintf(stderr, "-4 Use IPv4 Only\n"); 185 (void)fprintf(stderr, "-6 Use IPv6 Only\n"); 186 #ifdef RIPE 187 #ifndef NETWORKUPDATE 188 (void)fprintf(stderr, "-a search all databases\n"); 189 (void)fprintf(stderr, "-F fast raw output\n"); 190 #endif 191 #endif 192 (void)fprintf(stderr, "-h hostname search alternate server\n"); 193 #ifdef RIPE 194 #ifndef NETWORKUPDATE 195 (void)fprintf(stderr, "-i [attr][[,attr] ... ] do an inverse lookup for specified attributes\n"); 196 (void)fprintf(stderr, "-L find all Less specific matches\n"); 197 (void)fprintf(stderr, "-m find first level more specific matches\n"); 198 (void)fprintf(stderr, "-M find all More specific matches\n"); 199 #endif 200 #endif 201 (void)fprintf(stderr, "-p port port to connect to\n"); 202 #ifdef RIPE 203 #ifndef NETWORKUPDATE 204 (void)fprintf(stderr, "-r turn off recursive lookups\n"); 205 (void)fprintf(stderr, "-s source[[,source] ... ] search databases with source 'source'\n"); 206 (void)fprintf(stderr, "-S tell server to leave out 'syntactic sugar'\n"); 207 (void)fprintf(stderr, "-t type requests template for object of type 'type'\n"); 208 (void)fprintf(stderr, "-v type requests verbose template for object of type 'type'\n"); 209 (void)fprintf(stderr, "-R force to show local copy of the domain object even if it contains referral\n"); 210 (void)fprintf(stderr, "-T type[[,type] ... ] only look for objects of type 'type'\n\n"); 211 (void)fprintf(stderr, "Please note that most of these flags are NOT understood by\n"); 212 (void)fprintf(stderr, "non RIPE whois servers\n"); 213 #endif 214 #endif 215 (void)fprintf(stderr, "\n"); 216 217 exit(1); 218 } 219 220 int s; 221 222 void closesocket(s, child) 223 int s, child; 224 { 225 /* printf("close connection child=%i\n", child); */ 226 227 close(s); 228 229 #ifdef NETWORKUPDATE 230 if (child==0) { 231 kill(getppid(), SIGTERM); 232 } 233 #endif 234 235 exit(0); 236 237 } 238 239 void termhandler(sig) 240 int sig; 241 { 242 closesocket(s,1); 243 } 244 245 246 #ifdef RIPE 247 #if defined(__STDC__) || defined(SYSV) 248 #define occurs(str,pat) ((int) strstr((str),(pat))) 249 #else /* !__STDC__ && !SYSV */ 250 int occurs(str, pat) 251 char *str, *pat; 252 { 253 register char *point = str; 254 255 while ((point=index(point, *pat))) 256 { 257 if (strncmp(point, pat, strlen(pat)) == 0) 258 return(1); 259 point++; 260 } 261 return(0); 262 } 263 #endif 264 #endif 265 266 int main(argc, argv) 267 int argc; 268 char **argv; 269 { 270 extern char *optarg; 271 extern int optind; 272 FILE *sfi; 273 FILE *sfo; 274 int ch; 275 struct addrinfo *dst, hints; 276 int af=PF_UNSPEC; 277 int error; 278 char *host, *whoishost; 279 int optp=0; 280 char *optport="whois"; 281 #ifdef DEBUG 282 int verb=1; 283 #else /*DEBUG */ 284 int verb=0; 285 #endif 286 #ifdef RIPE 287 int opthost=0; 288 #ifndef NETWORKUPDATE 289 /* normal whois client */ 290 char *string; 291 int alldatabases=0; 292 int optsource=0, optrecur=0, optfast=0, opttempl=0, optverbose=0; 293 int optobjtype=0, optsugar=0, optinverselookup=0, optgetupdates=0; 294 int optL=0, optm=0, optM=0, optchanged=0, optnonreferral=0; 295 char *source=NULL, *templ=NULL, *verbose=NULL, *objtype=NULL, 296 *inverselookup=NULL, *getupdates=NULL; 297 #else /* NETWORKUPDATE */ 298 /* networkupdate client */ 299 int prev; 300 char domainname[64]; /* that's what sys/param.h says */ 301 struct passwd *passwdentry; 302 int child; 303 #endif 304 #ifdef CLEVER 305 int myerror; 306 char *mytoplevel; 307 char *myhost; 308 #endif 309 #endif 310 311 #ifdef TOPDOMAIN 312 host = strcat(TOPDOMAIN, "-whois.ripe.net"); 313 #else 314 host = NICHOST; 315 #endif 316 317 #ifdef RIPE 318 #ifdef NETWORKUPDATE 319 while ((ch = getopt(argc, argv, "46h:p:")) != EOF) 320 #else 321 while ((ch = getopt(argc, argv, "46acFg:h:i:LmMp:rs:SRt:T:v:")) != EOF) 322 #endif 323 #else 324 while ((ch = getopt(argc, argv, "46h:p:")) != EOF) 325 #endif 326 switch((char)ch) { 327 case '4': 328 af = PF_INET; 329 break; 330 case '6': 331 af = PF_INET6; 332 break; 333 case 'h': 334 host = optarg; 335 opthost = 1; 336 break; 337 case 'p': 338 optport=optarg; 339 optp =1; 340 break; 341 #ifdef RIPE 342 #ifndef NETWORKUPDATE 343 case 'a': 344 alldatabases=1; 345 break; 346 case 'c': 347 optchanged=1; 348 break; 349 case 'F': 350 optfast = 1; 351 break; 352 case 'g': 353 getupdates=optarg; 354 optgetupdates=1; 355 break; 356 case 'i': 357 inverselookup=optarg; 358 optinverselookup = 1; 359 break; 360 case 'L': 361 if (optM || optm) { 362 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 363 usage(); 364 } 365 optL=1; 366 break; 367 case 'm': 368 if (optM || optL) { 369 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 370 usage(); 371 } 372 optm=1; 373 break; 374 case 'M': 375 if (optL || optm) { 376 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 377 usage(); 378 } 379 optM=1; 380 break; 381 382 case 's': 383 source = optarg; 384 optsource=1; 385 break; 386 case 'S': 387 optsugar=1; 388 break; 389 case 'R': 390 optnonreferral=1; 391 break; 392 case 'r': 393 optrecur=1; 394 break; 395 case 't': 396 templ=optarg; 397 opttempl=1; 398 break; 399 case 'v': 400 verbose=optarg; 401 optverbose=1; 402 break; 403 case 'T': 404 objtype=optarg; 405 optobjtype=1; 406 break; 407 408 #endif 409 #endif 410 case '?': 411 default: 412 usage(); 413 } 414 argc -= optind; 415 argv += optind; 416 417 #ifdef RIPE 418 #ifdef NETWORKUPDATE 419 if (argc>0) 420 usage(); 421 #else 422 if ((argc<=0) && !opttempl && !optverbose && !optgetupdates && (!(opttempl && optgetupdates))) 423 usage(); 424 #endif 425 #else 426 if (argc<=0) 427 usage(); 428 #endif 429 430 if (!opthost) { 431 432 #ifdef CLEVER 433 whoishost=(char *)calloc(MAXHOSTNAMELEN, sizeof(char)); 434 myhost =(char *)calloc(MAXHOSTNAMELEN, sizeof(char)); 435 myerror = gethostname(myhost, MAXHOSTNAMELEN); 436 if (myerror >= 0) { 437 if (occurs(myhost, ".")) { 438 mytoplevel = rindex(myhost,'.'); 439 mytoplevel++; 440 (void) sprintf(whoishost, "%s-whois.ripe.net", mytoplevel); 441 if (verb) fprintf(stderr, "Clever guess: %s\n", whoishost); 442 } 443 } 444 445 memset(&hints, 0, sizeof(hints)); 446 hints.ai_flags = AI_CANONNAME; 447 hints.ai_family = af; 448 hints.ai_socktype = SOCK_STREAM; 449 hints.ai_protocol = 0; 450 error = getaddrinfo(host, optport, &hints, &dst); 451 if ((error) && (verb)) 452 fprintf(stderr,"No such host: %s\n", whoishost); 453 if (error) { 454 #endif 455 456 whoishost=NICHOST; 457 458 if (verb) 459 fprintf(stderr, "Default host: %s\n\n", whoishost); 460 memset(&hints, 0, sizeof(hints)); 461 hints.ai_flags = AI_CANONNAME; 462 hints.ai_family = af; 463 hints.ai_socktype = SOCK_STREAM; 464 hints.ai_protocol = 0; 465 error = getaddrinfo(host, optport , &hints, &dst); 466 if (error) { 467 fprintf(stderr,"No such host: %s\n", whoishost); 468 if (verb) fprintf(stderr, "Now I give up ...\n"); 469 perror("Unknown host"); 470 exit(1); 471 } 472 473 #ifdef CLEVER 474 } 475 #endif 476 } 477 else { 478 if (verb) 479 fprintf(stderr, "Trying: %s\n\n", host); 480 memset(&hints, 0, sizeof(hints)); 481 hints.ai_flags = AI_CANONNAME; 482 hints.ai_family = af; 483 hints.ai_socktype = SOCK_STREAM; 484 hints.ai_protocol = 0; 485 error = getaddrinfo(host, optport, &hints, &dst); 486 if (error) { 487 (void)fprintf(stderr, "whois: %s: ", host); 488 perror("Unknown host"); 489 exit(1); 490 } 491 } 492 493 for (/*nothing*/; dst; dst = dst->ai_next) { 494 s = socket(dst->ai_family, dst->ai_socktype, dst->ai_protocol); 495 if (s < 0) 496 continue; 497 if (connect(s, dst->ai_addr, dst->ai_addrlen) < 0) { 498 close(s); 499 if (verb) (void)fprintf(stderr, "whois: connect miss\n"); 500 continue; 501 } 502 /*okay*/ 503 break; 504 } 505 if (dst == NULL) { 506 perror("whois: connect"); 507 exit(1); 508 } 509 if (verb) (void)fprintf(stderr, "whois: connect success\n"); 510 511 #ifndef NETWORKUPDATE 512 sfi = fdopen(s, "r"); 513 sfo = fdopen(s, "w"); 514 if (sfi == NULL || sfo == NULL) { 515 perror("whois: fdopen"); 516 (void)close(s); 517 exit(1); 518 } 519 #endif 520 521 signal(SIGTERM, termhandler); 522 523 #ifdef RIPE 524 #ifdef NETWORKUPDATE 525 526 if ((child=fork())==0) { 527 528 sfo = fdopen(s, "w"); 529 if (sfo == NULL) { 530 perror("whois: fdopen"); 531 (void)close(s); 532 exit(1); 533 } 534 535 if (gethostname(domainname, sizeof(domainname))) { 536 fprintf(stderr, "error when doing gethostname()"); 537 exit(-1); 538 } 539 540 passwdentry=getpwuid(getuid()); 541 542 fprintf(sfo, "-Vnc2.0 -U %s %s\n", passwdentry->pw_name, domainname); 543 fflush(sfo); 544 545 prev='\0'; 546 547 while ((ch=getchar()) != EOF) { 548 549 fputc(ch, sfo); 550 551 if (ch=='\n') fflush(sfo); 552 if (feof(sfo)) closesocket(s, child); 553 if ((ch=='.') && (prev=='\n')) closesocket(s, child); 554 if (!isspace(ch) || ((!isspace(prev)) && (ch=='\n'))) prev=ch; 555 } 556 557 closesocket(s, child); 558 559 } 560 561 sfi = fdopen(s, "r"); 562 if (sfi == NULL) { 563 perror("whois: fdopen"); 564 (void)close(s); 565 exit(1); 566 } 567 568 #else 569 570 if (alldatabases) 571 (void)fprintf(sfo, "-a "); 572 if (optchanged) 573 (void)fprintf(sfo, "-c "); 574 if (optfast) 575 (void)fprintf(sfo, "-F "); 576 if (optgetupdates) 577 (void)fprintf(sfo, "-g %s ", getupdates); 578 if (optinverselookup) 579 (void)fprintf(sfo, "-i %s ", inverselookup); 580 if (optL) 581 (void)fprintf(sfo, "-L "); 582 if (optm) 583 (void)fprintf(sfo, "-m "); 584 if (optM) 585 (void)fprintf(sfo, "-M "); 586 if (optrecur) 587 (void)fprintf(sfo, "-r "); 588 if (optsource) 589 (void)fprintf(sfo, "-s %s ", source); 590 if (optsugar) 591 (void)fprintf(sfo, "-S "); 592 if (optnonreferral) 593 (void)fprintf(sfo, "-R "); 594 if (opttempl) 595 (void)fprintf(sfo, "-t %s ", templ); 596 if (optverbose) 597 (void)fprintf(sfo, "-v %s ", verbose); 598 if (optobjtype) 599 (void)fprintf(sfo, "-T %s ", objtype); 600 601 /* we can only send the -V when we are sure that we are dealing with 602 a RIPE whois server :-( */ 603 604 whoishost=(char *)calloc(strlen(host)+1, sizeof(char)); 605 strcpy(whoishost, host); 606 for (string=whoishost;(*string=(char)tolower(*string));string++); 607 608 if (strstr(whoishost, "ripe.net") || 609 strstr(whoishost, "ra.net") || 610 strstr(whoishost, "apnic.net") || 611 strstr(whoishost, "mci.net") || 612 strstr(whoishost, "isi.edu") || 613 strstr(whoishost, "garr.it") || 614 strstr(whoishost, "ans.net") || 615 alldatabases || optfast || optgetupdates || optinverselookup || 616 optL || optm || optM || optrecur || optsugar || optsource || 617 opttempl || optverbose || optobjtype) 618 (void)fprintf(sfo, "-VwC2.0 "); 619 #endif 620 #endif 621 622 #ifndef NETWORKUPDATE 623 while (argc-- > 1) 624 (void)fprintf(sfo, "%s ", *argv++); 625 if (*argv) (void)fputs(*argv, sfo); 626 (void)fputs("\r\n", sfo); 627 (void)fflush(sfo); 628 #endif 629 630 while ((ch = getc(sfi)) != EOF) 631 putchar(ch); 632 633 closesocket(s, 1); 634 635 exit(0); 636 637 } 638
Indexes created Wed Oct 29 01:09:52 GMT 2025