whois.c revision 1.9
1 /* $NetBSD: whois.c,v 1.9 1999/05/18 22:36:36 tron 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 __RCSID("$NetBSD: whois.c,v 1.9 1999/05/18 22:36:36 tron Exp $"); 65 #endif 66 #endif /* not lint */ 67 #endif /* not RIPE */ 68 69 #ifdef RIPE 70 #ifndef lint 71 char sccsid[] = 72 "@(#)whois.c 5.11 (Berkeley) 3/2/91 - RIPE 1.15 94/09/07 marten (at) ripe.net"; 73 #endif /* not lint */ 74 #endif /* RIPE */ 75 76 #include <sys/types.h> 77 #include <sys/socket.h> 78 #include <sys/param.h> 79 #include <netinet/in.h> 80 #include <err.h> 81 #include <netdb.h> 82 #include <stdio.h> 83 #include <stdlib.h> 84 #include <ctype.h> 85 #include <string.h> 86 #include <errno.h> 87 #include <unistd.h> 88 #include <pwd.h> 89 #include <signal.h> 90 91 #if defined(SYSV) 92 #include <crypt.h> 93 #endif /* SYSV */ 94 95 #ifndef __NetBSD__ 96 #ifdef __STDC__ 97 extern int getopt(int argc, char * const *argv, const char *optstring); 98 extern int kill(pid_t pid, int sig); 99 extern FILE *fdopen(int fildes, const char *type); 100 extern int gethostname(char *name, int namelen); 101 #else /* !__STDC__ */ 102 extern int gethostname(); 103 #endif /* __STDC__ */ 104 #endif /* __NetBSD__ */ 105 106 #if defined(SYSV) || defined(__STDC__) 107 108 #define index(s,c) strchr((const char*)(s),(int)(c)) 109 #define rindex(s,c) strrchr((const char*)(s),(int)(c)) 110 #define bzero(s,n) memset((void*)s,0,(size_t)n) 111 112 #ifdef HASMEMMOVE 113 # define bcopy(s,d,n) memmove((void*)(d),(void*)(s),(size_t)(n)) 114 #else 115 # define bcopy(s,d,n) memcpy((void*)(d),(void*)(s),(size_t)(n)) 116 #endif /* HASMEMMOVE */ 117 118 #endif /* SYSV || __STDC__ */ 119 120 #ifdef GLIBC 121 typedef __u_short u_short; 122 typedef __caddr_t caddr_t; 123 #endif /* GLIBC */ 124 125 /* 126 127 # the following defines can be used but are not fully functional anymore... 128 # 129 # CLEVER- Use a educated guess of the whereabouts of the nearest server 130 # This is done by taking the top-level domain of the current 131 # machine, and looking for a CNAME record for a server with name 132 # <top-level-domain>-whois.ripe.net 133 # If this machine does not exsist or the current machine's top-level 134 # domain could not be found,it will fall back to whois.ripe.net 135 # the default for this RIPE version of whois 136 # The CLEVER option implies the RIPE option. 137 138 # TOPDOMAIN=\"<top-level-domain>\" 139 # - This option will fix the default host to be 140 # <top-level-domain>-whois.ripe.net, which may point to a secondary 141 # server inside your top-level domain. If there is no such secondary 142 # server, it will point to whois.ripe.net, the default. This option 143 # overrules the CLEVER option. 144 # The TOPDOMAIN option implies the RIPE option. 145 146 */ 147 148 #if defined(TOPDOMAIN) || defined(CLEVER) 149 #ifndef RIPE 150 #define RIPE 151 #endif /* !RIPE */ 152 #endif /* TOPDOMAIN || CLEVER */ 153 154 #if defined(RIPE) && !defined(__NetBSD__) 155 #include <sys/param.h> 156 #define NICHOST "whois.ripe.net" 157 #else 158 #define NICHOST "whois.internic.net" 159 #endif 160 161 int main __P((int, char **)); 162 static void usage __P((void)); 163 static void closesocket __P((int, int)); 164 static void termhandler __P((int)); 165 166 void usage() 167 { 168 #ifdef RIPE 169 #ifdef NETWORKUPDATE 170 (void)fprintf(stderr, "\nUsage: networkupdate [-h hostname] [-p port]"); 171 #else 172 (void)fprintf(stderr, "\nUsage: whois [-aFLmMrSvR] [-h hostname] [-s sources] [-T types] [-i attr] keys\n"); 173 (void)fprintf(stderr, " whois -t type"); 174 (void)fprintf(stderr, " whois -v type"); 175 #endif 176 #else 177 (void)fprintf(stderr, "\nUsage: whois [-h hostname] [-p port] name ..."); 178 #endif 179 (void)fprintf(stderr, "\n\nWhere:\n\n"); 180 #ifdef RIPE 181 #ifndef NETWORKUPDATE 182 (void)fprintf(stderr, "-a search all databases\n"); 183 (void)fprintf(stderr, "-F fast raw output\n"); 184 #endif 185 #endif 186 (void)fprintf(stderr, "-h hostname search alternate server\n"); 187 #ifdef RIPE 188 #ifndef NETWORKUPDATE 189 (void)fprintf(stderr, "-i [attr][[,attr] ... ] do an inverse lookup for specified attributes\n"); 190 (void)fprintf(stderr, "-L find all Less specific matches\n"); 191 (void)fprintf(stderr, "-m find first level more specific matches\n"); 192 (void)fprintf(stderr, "-M find all More specific matches\n"); 193 #endif 194 #endif 195 (void)fprintf(stderr, "-p port port to connect to\n"); 196 #ifdef RIPE 197 #ifndef NETWORKUPDATE 198 (void)fprintf(stderr, "-r turn off recursive lookups\n"); 199 (void)fprintf(stderr, "-s source[[,source] ... ] search databases with source 'source'\n"); 200 (void)fprintf(stderr, "-S tell server to leave out 'syntactic sugar'\n"); 201 (void)fprintf(stderr, "-t type requests template for object of type 'type'\n"); 202 (void)fprintf(stderr, "-v type requests verbose template for object of type 'type'\n"); 203 (void)fprintf(stderr, "-R force to show local copy of the domain object even if it contains referral\n"); 204 (void)fprintf(stderr, "-T type[[,type] ... ] only look for objects of type 'type'\n\n"); 205 (void)fprintf(stderr, "Please note that most of these flags are NOT understood by\n"); 206 (void)fprintf(stderr, "non RIPE whois servers\n"); 207 #endif 208 #endif 209 (void)fprintf(stderr, "\n"); 210 211 exit(1); 212 } 213 214 int s; 215 216 void closesocket(s, child) 217 int s, child; 218 { 219 /* printf("close connection child=%i\n", child); */ 220 221 close(s); 222 223 #ifdef NETWORKUPDATE 224 if (child==0) { 225 kill(getppid(), SIGTERM); 226 } 227 #endif 228 229 exit(0); 230 231 } 232 233 void termhandler(sig) 234 int sig; 235 { 236 closesocket(s,1); 237 } 238 239 240 #ifdef RIPE 241 #if defined(__STDC__) || defined(SYSV) 242 #define occurs(str,pat) ((int) strstr((str),(pat))) 243 #else /* !__STDC__ && !SYSV */ 244 int occurs(str, pat) 245 char *str, *pat; 246 { 247 register char *point = str; 248 249 while ((point=index(point, *pat))) 250 { 251 if (strncmp(point, pat, strlen(pat)) == 0) 252 return(1); 253 point++; 254 } 255 return(0); 256 } 257 #endif 258 #endif 259 260 int main(argc, argv) 261 int argc; 262 char **argv; 263 { 264 extern char *optarg; 265 extern int optind; 266 FILE *sfi; 267 FILE *sfo; 268 int ch; 269 struct sockaddr_in sin; 270 struct hostent *hp; 271 struct servent *sp; 272 char *host, *whoishost; 273 int optp=0, optport=0; 274 #ifdef RIPE 275 int verb=0, opthost=0; 276 #ifndef NETWORKUPDATE 277 /* normal whois client */ 278 char *string; 279 int alldatabases=0; 280 int optsource=0, optrecur=0, optfast=0, opttempl=0, optverbose=0; 281 int optobjtype=0, optsugar=0, optinverselookup=0, optgetupdates=0; 282 int optL=0, optm=0, optM=0, optchanged=0, optnonreferral=0; 283 char *source=NULL, *templ=NULL, *verbose=NULL, *objtype=NULL, 284 *inverselookup=NULL, *getupdates=NULL; 285 #else /* NETWORKUPDATE */ 286 /* networkupdate client */ 287 int prev; 288 char domainname[64]; /* that's what sys/param.h says */ 289 struct passwd *passwdentry; 290 int child; 291 #endif 292 #ifdef CLEVER 293 int myerror; 294 char *mytoplevel; 295 char *myhost; 296 #endif 297 #endif 298 299 #ifdef TOPDOMAIN 300 host = strcat(TOPDOMAIN, "-whois.ripe.net"); 301 #else 302 host = NICHOST; 303 #endif 304 305 #ifdef RIPE 306 #ifdef NETWORKUPDATE 307 while ((ch = getopt(argc, argv, "h:p:")) != EOF) 308 #else 309 while ((ch = getopt(argc, argv, "acFg:h:i:LmMp:rs:SRt:T:v:")) != EOF) 310 #endif 311 #else 312 while ((ch = getopt(argc, argv, "h:p:")) != EOF) 313 #endif 314 switch((char)ch) { 315 case 'h': 316 host = optarg; 317 opthost = 1; 318 break; 319 case 'p': 320 optport=htons((u_short)atoi(optarg)); 321 optp =1; 322 break; 323 #ifdef RIPE 324 #ifndef NETWORKUPDATE 325 case 'a': 326 alldatabases=1; 327 break; 328 case 'c': 329 optchanged=1; 330 break; 331 case 'F': 332 optfast = 1; 333 break; 334 case 'g': 335 getupdates=optarg; 336 optgetupdates=1; 337 break; 338 case 'i': 339 inverselookup=optarg; 340 optinverselookup = 1; 341 break; 342 case 'L': 343 if (optM || optm) { 344 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 345 usage(); 346 } 347 optL=1; 348 break; 349 case 'm': 350 if (optM || optL) { 351 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 352 usage(); 353 } 354 optm=1; 355 break; 356 case 'M': 357 if (optL || optm) { 358 fprintf(stderr, "Only one of -L, -m or -M allowed\n\n"); 359 usage(); 360 } 361 optM=1; 362 break; 363 364 case 's': 365 source = optarg; 366 optsource=1; 367 break; 368 case 'S': 369 optsugar=1; 370 break; 371 case 'R': 372 optnonreferral=1; 373 break; 374 case 'r': 375 optrecur=1; 376 break; 377 case 't': 378 templ=optarg; 379 opttempl=1; 380 break; 381 case 'v': 382 verbose=optarg; 383 optverbose=1; 384 break; 385 case 'T': 386 objtype=optarg; 387 optobjtype=1; 388 break; 389 390 #endif 391 #endif 392 case '?': 393 default: 394 usage(); 395 } 396 argc -= optind; 397 argv += optind; 398 399 #ifdef RIPE 400 #ifdef NETWORKUPDATE 401 if (argc>0) 402 usage(); 403 #else 404 if ((argc<=0) && !opttempl && !optverbose && !optgetupdates && (!(opttempl && optgetupdates))) 405 usage(); 406 #endif 407 #else 408 if (argc<=0) 409 usage(); 410 #endif 411 412 if (!opthost) { 413 414 #ifdef CLEVER 415 whoishost=(char *)calloc(MAXHOSTNAMELEN, sizeof(char)); 416 myhost =(char *)calloc(MAXHOSTNAMELEN, sizeof(char)); 417 myerror = gethostname(myhost, MAXHOSTNAMELEN); 418 if (myerror >= 0) { 419 if (occurs(myhost, ".")) { 420 mytoplevel = rindex(myhost,'.'); 421 mytoplevel++; 422 (void) sprintf(whoishost, "%s-whois.ripe.net", mytoplevel); 423 if (verb) fprintf(stderr, "Clever guess: %s\n", whoishost); 424 } 425 } 426 hp = gethostbyname(whoishost); 427 if ((hp == NULL) && (verb)) 428 fprintf(stderr,"No such host: %s\n", whoishost); 429 430 if (hp==NULL) { 431 #endif 432 433 whoishost=NICHOST; 434 435 if (verb) fprintf(stderr, "Default host: %s\n\n", whoishost); 436 hp = gethostbyname(whoishost); 437 438 if (hp == NULL) { 439 fprintf(stderr,"No such host: %s\n", whoishost); 440 if (verb) fprintf(stderr, "Now I give up ...\n"); 441 perror("Unknown host"); 442 exit(1); 443 } 444 445 #ifdef CLEVER 446 } 447 #endif 448 } 449 else { 450 if (verb) fprintf(stderr, "Trying: %s\n\n", host); 451 hp = gethostbyname(host); 452 if (hp == NULL) { 453 (void)fprintf(stderr, "whois: %s: ", host); 454 perror("Unknown host"); 455 exit(1); 456 } 457 } 458 459 host = hp->h_name; 460 s = socket(hp->h_addrtype, SOCK_STREAM, 0); 461 if (s < 0) { 462 perror("whois: socket"); 463 exit(1); 464 } 465 bzero((caddr_t)&sin, sizeof (sin)); 466 sin.sin_family = hp->h_addrtype; 467 if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { 468 perror("whois: bind"); 469 exit(1); 470 } 471 bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length); 472 473 if (optp) { 474 sin.sin_port=optport; 475 } 476 else { 477 478 sp=getservbyname("whois", "tcp"); 479 480 if (sp == NULL) { 481 (void)fprintf(stderr, "whois: whois/tcp: unknown service\n"); 482 exit(1); 483 } 484 485 sin.sin_port = sp->s_port; 486 487 } 488 489 /* printf("%i\n", sin.sin_port); */ 490 491 if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { 492 perror("whois: connect"); 493 exit(1); 494 } 495 496 #ifndef NETWORKUPDATE 497 sfi = fdopen(s, "r"); 498 sfo = fdopen(s, "w"); 499 if (sfi == NULL || sfo == NULL) { 500 perror("whois: fdopen"); 501 (void)close(s); 502 exit(1); 503 } 504 #endif 505 506 signal(SIGTERM, termhandler); 507 508 #ifdef RIPE 509 #ifdef NETWORKUPDATE 510 511 if ((child=fork())==0) { 512 513 sfo = fdopen(s, "w"); 514 if (sfo == NULL) { 515 perror("whois: fdopen"); 516 (void)close(s); 517 exit(1); 518 } 519 520 if (gethostname(domainname, sizeof(domainname))) { 521 fprintf(stderr, "error when doing gethostname()"); 522 exit(-1); 523 } 524 525 passwdentry=getpwuid(getuid()); 526 527 fprintf(sfo, "-Vnc2.0 -U %s %s\n", passwdentry->pw_name, domainname); 528 fflush(sfo); 529 530 prev='\0'; 531 532 while ((ch=getchar()) != EOF) { 533 534 fputc(ch, sfo); 535 536 if (ch=='\n') fflush(sfo); 537 if (feof(sfo)) closesocket(s, child); 538 if ((ch=='.') && (prev=='\n')) closesocket(s, child); 539 if (!isspace(ch) || ((!isspace(prev)) && (ch=='\n'))) prev=ch; 540 } 541 542 closesocket(s, child); 543 544 } 545 546 sfi = fdopen(s, "r"); 547 if (sfi == NULL) { 548 perror("whois: fdopen"); 549 (void)close(s); 550 exit(1); 551 } 552 553 #else 554 555 if (alldatabases) 556 (void)fprintf(sfo, "-a "); 557 if (optchanged) 558 (void)fprintf(sfo, "-c "); 559 if (optfast) 560 (void)fprintf(sfo, "-F "); 561 if (optgetupdates) 562 (void)fprintf(sfo, "-g %s ", getupdates); 563 if (optinverselookup) 564 (void)fprintf(sfo, "-i %s ", inverselookup); 565 if (optL) 566 (void)fprintf(sfo, "-L "); 567 if (optm) 568 (void)fprintf(sfo, "-m "); 569 if (optM) 570 (void)fprintf(sfo, "-M "); 571 if (optrecur) 572 (void)fprintf(sfo, "-r "); 573 if (optsource) 574 (void)fprintf(sfo, "-s %s ", source); 575 if (optsugar) 576 (void)fprintf(sfo, "-S "); 577 if (optnonreferral) 578 (void)fprintf(sfo, "-R "); 579 if (opttempl) 580 (void)fprintf(sfo, "-t %s ", templ); 581 if (optverbose) 582 (void)fprintf(sfo, "-v %s ", verbose); 583 if (optobjtype) 584 (void)fprintf(sfo, "-T %s ", objtype); 585 586 /* we can only send the -V when we are sure that we are dealing with 587 a RIPE whois server :-( */ 588 589 whoishost=(char *)calloc(strlen(host)+1, sizeof(char)); 590 strcpy(whoishost, host); 591 for (string=whoishost;(*string=(char)tolower(*string));string++); 592 593 if (strstr(whoishost, "ripe.net") || 594 strstr(whoishost, "ra.net") || 595 strstr(whoishost, "apnic.net") || 596 strstr(whoishost, "mci.net") || 597 strstr(whoishost, "isi.edu") || 598 strstr(whoishost, "garr.it") || 599 strstr(whoishost, "ans.net") || 600 alldatabases || optfast || optgetupdates || optinverselookup || 601 optL || optm || optM || optrecur || optsugar || optsource || 602 opttempl || optverbose || optobjtype) 603 (void)fprintf(sfo, "-VwC2.0 "); 604 #endif 605 #endif 606 607 #ifndef NETWORKUPDATE 608 while (argc-- > 1) 609 (void)fprintf(sfo, "%s ", *argv++); 610 if (*argv) (void)fputs(*argv, sfo); 611 (void)fputs("\r\n", sfo); 612 (void)fflush(sfo); 613 #endif 614 615 while ((ch = getc(sfi)) != EOF) 616 putchar(ch); 617 618 closesocket(s, 1); 619 620 exit(0); 621 622 } 623
Indexes created Fri Oct 03 02:09:57 GMT 2025