/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ /* $OpenBSD: stdhosts.c,v 1.4 1997/09/11 19:47:35 deraadt Exp $ */ /* * Copyright (c) 1994 Mats O Jansson <moj@stacken.kth.se> * 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 Mats O Jansson * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #ifndef LINT static char rcsid[] = "$OpenBSD: stdhosts.c,v 1.4 1997/09/11 19:47:35 deraadt Exp $"; #endif #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <stdio.h> #include <string.h> #include <ctype.h> static int read_line(fp, buf, size) FILE *fp; char *buf; int size; { int done = 0; do { while (fgets(buf, size, fp)) { int len = strlen(buf); done += len; if (len > 1 && buf[len-2] == '\\' && buf[len-1] == '\n') { int ch; buf += len - 2; size -= len - 2; *buf = '\n'; buf[1] = '\0'; /* * Skip leading white space on next line */ while ((ch = getc(fp)) != EOF && isascii(ch) && isspace(ch)) ; (void) ungetc(ch, fp); } else { return done; } } } while (size > 0 && !feof(fp)); return done; } int main (argc,argv) int argc; char *argv[]; { FILE *data_file; char data_line[1024]; int usage = 0; int line_no = 0; int len; char *p,*k,*v; struct in_addr host_addr; if (argc > 2) { usage++; } if (usage) { fprintf(stderr, "%s", "usage: stdhosts [file]\n"); exit(1); } if (argc == 2) { data_file = fopen(argv[argc-1], "r"); } else { data_file = stdin; } while (read_line(data_file,data_line,sizeof(data_line))) { line_no++; len = strlen(data_line); if (len > 0) { if (data_line[0] == '#') continue; } /* * Check if we have the whole line */ if (data_line[len-1] != '\n') { if (argc == 2) { fprintf(stderr, "line %d in \"%s\" is too long", line_no, argv[1]); } else { fprintf(stderr, "line %d in \"stdin\" is too long", line_no); } } else { data_line[len-1] = '\0'; } p = (char *) &data_line; k = p; /* save start of key */ while (!isspace(*p)) { p++; }; /* find first "space" */ while (isspace(*p)) { *p = '\0'; p++; }; /* replace space with <NUL> */ v = p; /* save start of value */ while(*p != '\0') { p++; }; /* find end of string */ (void)inet_aton(k,&host_addr); printf("%s %s\n",inet_ntoa(host_addr),v); } return(0); }