summaryrefslogtreecommitdiff
path: root/usr.sbin/nslookup/subr.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/nslookup/subr.c')
-rw-r--r--usr.sbin/nslookup/subr.c579
1 files changed, 0 insertions, 579 deletions
diff --git a/usr.sbin/nslookup/subr.c b/usr.sbin/nslookup/subr.c
deleted file mode 100644
index 3a9d7bb9eaae..000000000000
--- a/usr.sbin/nslookup/subr.c
+++ /dev/null
@@ -1,579 +0,0 @@
-/*
- * ++Copyright++ 1985, 1989
- * -
- * Copyright (c) 1985, 1989
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
- * -
- * --Copyright--
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)subr.c 5.24 (Berkeley) 3/2/91";
-static char rcsid[] = "$Id: subr.c,v 8.4 1995/12/03 08:31:19 vixie Exp $";
-#endif /* not lint */
-
-/*
- *******************************************************************************
- *
- * subr.c --
- *
- * Miscellaneous subroutines for the name server
- * lookup program.
- *
- * Copyright (c) 1985
- * Andrew Cherenson
- * U.C. Berkeley
- * CS298-26 Fall 1985
- *
- *******************************************************************************
- */
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <netdb.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <arpa/inet.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <stdio.h>
-#include "res.h"
-#include "../../conf/portability.h"
-
-
-
-/*
- *******************************************************************************
- *
- * IntrHandler --
- *
- * This routine is called whenever a control-C is typed.
- * It performs three main functions:
- * - closes an open socket connection,
- * - closes an open output file (used by LookupHost, et al.),
- * - jumps back to the main read-eval loop.
- *
- * If a user types a ^C in the middle of a routine that uses a socket,
- * the routine would not be able to close the socket. To prevent an
- * overflow of the process's open file table, the socket and output
- * file descriptors are closed by the interrupt handler.
- *
- * Side effects:
- * Open file descriptors are closed.
- * If filePtr is valid, it is closed.
- * Flow of control returns to the main() routine.
- *
- *******************************************************************************
- */
-
-SIG_FN
-IntrHandler()
-{
- extern jmp_buf env;
-#if defined(BSD) && BSD >= 199006 && !defined(RISCOS_BSD) && !defined(__osf__)
- extern FILE *yyin; /* scanner input file */
- extern void yyrestart(); /* routine to restart scanner after interrupt */
-#endif
-
- SendRequest_close();
- ListHost_close();
- if (filePtr != NULL && filePtr != stdout) {
- fclose(filePtr);
- filePtr = NULL;
- }
- printf("\n");
-#if defined(BSD) && BSD >= 199006 && !defined(RISCOS_BSD) && !defined(__osf__)
- yyrestart(yyin);
-#endif
- longjmp(env, 1);
-}
-
-
-/*
- *******************************************************************************
- *
- * Malloc --
- * Calloc --
- *
- * Calls the malloc library routine with SIGINT blocked to prevent
- * corruption of malloc's data structures. We need to do this because
- * a control-C doesn't kill the program -- it causes a return to the
- * main command loop.
- *
- * NOTE: This method doesn't prevent the pointer returned by malloc
- * from getting lost, so it is possible to get "core leaks".
- *
- * If malloc fails, the program exits.
- *
- * Results:
- * (address) - address of new buffer.
- *
- *******************************************************************************
- */
-
-char *
-Malloc(size)
- int size;
-{
- char *ptr;
-
-#ifdef SYSV
-#if defined(SVR3) || defined(SVR4)
- sighold(SIGINT);
- ptr = malloc((unsigned) size);
- sigrelse(SIGINT);
-#else
- { SIG_FN (*old)();
- old = signal(SIGINT, SIG_IGN);
- ptr = malloc((unsigned) size);
- signal(SIGINT, old);
- }
-#endif
-#else
-#ifdef POSIX_SIGNALS
- { sigset_t sset;
- sigemptyset(&sset);
- sigaddset(&sset,SIGINT);
- sigprocmask(SIG_BLOCK,&sset,NULL);
- ptr = malloc((unsigned) size);
- sigprocmask(SIG_UNBLOCK,&sset,NULL);
- }
-#else
- { int saveMask;
- saveMask = sigblock(sigmask(SIGINT));
- ptr = malloc((unsigned) size);
- (void) sigsetmask(saveMask);
- }
-#endif
-#endif
- if (ptr == NULL) {
- fflush(stdout);
- fprintf(stderr, "*** Can't allocate memory\n");
- fflush(stderr);
- abort();
- /*NOTREACHED*/
- } else {
- return(ptr);
- }
-}
-
-char *
-Calloc(num, size)
- register int num, size;
-{
- char *ptr = Malloc(num*size);
- bzero(ptr, num*size);
- return(ptr);
-}
-
-
-/*
- *******************************************************************************
- *
- * PrintHostInfo --
- *
- * Prints out the HostInfo structure for a host.
- *
- *******************************************************************************
- */
-
-void
-PrintHostInfo(file, title, hp)
- FILE *file;
- char *title;
- register HostInfo *hp;
-{
- register char **cp;
- register ServerInfo **sp;
- char comma;
- int i;
-
- fprintf(file, "%-7s %s", title, hp->name);
-
- if (hp->addrList != NULL) {
- if (hp->addrList[1] != NULL) {
- fprintf(file, "\nAddresses:");
- } else {
- fprintf(file, "\nAddress:");
- }
- comma = ' ';
- i = 0;
- for (cp = hp->addrList; cp && *cp; cp++) {
- i++;
- if (i > 4) {
- fprintf(file, "\n\t");
- comma = ' ';
- i = 0;
- }
- fprintf(file,"%c %s", comma, inet_ntoa(*(struct in_addr *)*cp));
- comma = ',';
- }
- }
-
- if (hp->aliases != NULL) {
- fprintf(file, "\nAliases:");
- comma = ' ';
- i = 10;
- for (cp = hp->aliases; cp && *cp && **cp; cp++) {
- i += strlen(*cp) + 2;
- if (i > 75) {
- fprintf(file, "\n\t");
- comma = ' ';
- i = 10;
- }
- fprintf(file, "%c %s", comma, *cp);
- comma = ',';
- }
- }
-
- if (hp->servers != NULL) {
- fprintf(file, "\nServed by:\n");
- for (sp = hp->servers; *sp != NULL ; sp++) {
-
- fprintf(file, "- %s\n\t", (*sp)->name);
-
- comma = ' ';
- i = 0;
- for (cp = (*sp)->addrList; cp && *cp && **cp; cp++) {
- i++;
- if (i > 4) {
- fprintf(file, "\n\t");
- comma = ' ';
- i = 0;
- }
- fprintf(file,
- "%c %s", comma, inet_ntoa(*(struct in_addr *)*cp));
- comma = ',';
- }
- fprintf(file, "\n\t");
-
- comma = ' ';
- i = 10;
- for (cp = (*sp)->domains; cp && *cp && **cp; cp++) {
- i += strlen(*cp) + 2;
- if (i > 75) {
- fprintf(file, "\n\t");
- comma = ' ';
- i = 10;
- }
- fprintf(file, "%c %s", comma, *cp);
- comma = ',';
- }
- fprintf(file, "\n");
- }
- }
-
- fprintf(file, "\n\n");
-}
-
-/*
- *******************************************************************************
- *
- * OpenFile --
- *
- * Parses a command string for a file name and opens
- * the file.
- *
- * Results:
- * file pointer - the open was successful.
- * NULL - there was an error opening the file or
- * the input string was invalid.
- *
- *******************************************************************************
- */
-
-FILE *
-OpenFile(string, file)
- char *string;
- char *file;
-{
- char *redirect;
- FILE *tmpPtr;
-
- /*
- * Open an output file if we see '>' or >>'.
- * Check for overwrite (">") or concatenation (">>").
- */
-
- redirect = strchr(string, '>');
- if (redirect == NULL) {
- return(NULL);
- }
- if (redirect[1] == '>') {
- sscanf(redirect, ">> %s", file);
- tmpPtr = fopen(file, "a+");
- } else {
- sscanf(redirect, "> %s", file);
- tmpPtr = fopen(file, "w");
- }
-
- if (tmpPtr != NULL) {
- redirect[0] = '\0';
- }
-
- return(tmpPtr);
-}
-
-/*
- *******************************************************************************
- *
- * DecodeError --
- *
- * Converts an error code into a character string.
- *
- *******************************************************************************
- */
-
-char *
-DecodeError(result)
- int result;
-{
- switch (result) {
- case NOERROR: return("Success"); break;
- case FORMERR: return("Format error"); break;
- case SERVFAIL: return("Server failed"); break;
- case NXDOMAIN: return("Non-existent host/domain"); break;
- case NOTIMP: return("Not implemented"); break;
- case REFUSED: return("Query refused"); break;
-#ifdef NOCHANGE
- case NOCHANGE: return("No change"); break;
-#endif
- case TIME_OUT: return("Timed out"); break;
- case NO_INFO: return("No information"); break;
- case ERROR: return("Unspecified error"); break;
- case NONAUTH: return("Non-authoritative answer"); break;
- case NO_RESPONSE: return("No response from server"); break;
- default: break;
- }
- return("BAD ERROR VALUE");
-}
-
-
-int
-StringToClass(class, dflt, errorfile)
- char *class;
- int dflt;
- FILE *errorfile;
-{
- if (strcasecmp(class, "IN") == 0)
- return(C_IN);
- if (strcasecmp(class, "HESIOD") == 0 ||
- strcasecmp(class, "HS") == 0)
- return(C_HS);
- if (strcasecmp(class, "CHAOS") == 0)
- return(C_CHAOS);
- if (strcasecmp(class, "ANY") == 0)
- return(C_ANY);
- if (errorfile)
- fprintf(errorfile, "unknown query class: %s\n", class);
- return(dflt);
-}
-
-
-/*
- *******************************************************************************
- *
- * StringToType --
- *
- * Converts a string form of a query type name to its
- * corresponding integer value.
- *
- *******************************************************************************
- */
-
-int
-StringToType(type, dflt, errorfile)
- char *type;
- int dflt;
- FILE *errorfile;
-{
- if (strcasecmp(type, "A") == 0)
- return(T_A);
- if (strcasecmp(type, "NS") == 0)
- return(T_NS); /* authoritative server */
- if (strcasecmp(type, "MX") == 0)
- return(T_MX); /* mail exchanger */
- if (strcasecmp(type, "PX") == 0)
- return(T_PX); /* mapping information */
- if (strcasecmp(type, "CNAME") == 0)
- return(T_CNAME); /* canonical name */
- if (strcasecmp(type, "SOA") == 0)
- return(T_SOA); /* start of authority zone */
- if (strcasecmp(type, "MB") == 0)
- return(T_MB); /* mailbox domain name */
- if (strcasecmp(type, "MG") == 0)
- return(T_MG); /* mail group member */
- if (strcasecmp(type, "MR") == 0)
- return(T_MR); /* mail rename name */
- if (strcasecmp(type, "WKS") == 0)
- return(T_WKS); /* well known service */
- if (strcasecmp(type, "PTR") == 0)
- return(T_PTR); /* domain name pointer */
- if (strcasecmp(type, "HINFO") == 0)
- return(T_HINFO); /* host information */
- if (strcasecmp(type, "MINFO") == 0)
- return(T_MINFO); /* mailbox information */
- if (strcasecmp(type, "AXFR") == 0)
- return(T_AXFR); /* zone transfer */
- if (strcasecmp(type, "MAILA") == 0)
- return(T_MAILA); /* mail agent */
- if (strcasecmp(type, "MAILB") == 0)
- return(T_MAILB); /* mail box */
- if (strcasecmp(type, "ANY") == 0)
- return(T_ANY); /* matches any type */
- if (strcasecmp(type, "UINFO") == 0)
- return(T_UINFO); /* user info */
- if (strcasecmp(type, "UID") == 0)
- return(T_UID); /* user id */
- if (strcasecmp(type, "GID") == 0)
- return(T_GID); /* group id */
- if (strcasecmp(type, "TXT") == 0)
- return(T_TXT); /* text */
- if (strcasecmp(type, "RP") == 0)
- return(T_RP); /* responsible person */
- if (strcasecmp(type, "X25") == 0)
- return(T_X25); /* x25 address */
- if (strcasecmp(type, "ISDN") == 0)
- return(T_ISDN); /* isdn address */
- if (strcasecmp(type, "RT") == 0)
- return(T_RT); /* router */
- if (strcasecmp(type, "AFSDB") == 0)
- return(T_AFSDB); /* DCE or AFS server */
- if (strcasecmp(type, "NSAP") == 0)
- return(T_NSAP); /* NSAP address */
- if (strcasecmp(type, "NSAP_PTR") == 0)
- return(T_NSAP_PTR); /* NSAP reverse pointer */
- if (errorfile)
- fprintf(errorfile, "unknown query type: %s\n", type);
- return(dflt);
-}
-
-/*
- *******************************************************************************
- *
- * DecodeType --
- *
- * Converts a query type to a descriptive name.
- * (A more verbose form of p_type.)
- *
- *
- *******************************************************************************
- */
-
-static char nbuf[20];
-
-char *
-DecodeType(type)
- int type;
-{
- switch (type) {
- case T_A:
- return("address");
- case T_NS:
- return("name server");
- case T_CNAME:
- return("canonical name");
- case T_SOA:
- return("start of authority");
- case T_MB:
- return("mailbox");
- case T_MG:
- return("mail group member");
- case T_MR:
- return("mail rename");
- case T_NULL:
- return("null");
- case T_WKS:
- return("well-known service");
- case T_PTR:
- return("domain name pointer");
- case T_HINFO:
- return("host information");
- case T_MINFO:
- return("mailbox information");
- case T_MX:
- return("mail exchanger");
- case T_PX:
- return("mapping information");
- case T_TXT:
- return("text");
- case T_RP:
- return("responsible person");
- case T_AFSDB:
- return("DCE or AFS server");
- case T_X25:
- return("X25 address");
- case T_ISDN:
- return("ISDN address");
- case T_RT:
- return("router");
- case T_NSAP:
- return("nsap address");
- case T_NSAP_PTR:
- return("domain name pointer");
- case T_UINFO:
- return("user information");
- case T_UID:
- return("user ID");
- case T_GID:
- return("group ID");
- case T_AXFR:
- return("zone transfer");
- case T_MAILB:
- return("mailbox-related data");
- case T_MAILA:
- return("mail agent");
- case T_ANY:
- return("\"any\"");
- default:
- (void) sprintf(nbuf, "%d", type);
- return (nbuf);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 17:59:36 +0000