1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate * 22*0Sstevel@tonic-gate * Copyright 1992 Sun Microsystems, Inc. All rights reserved. 23*0Sstevel@tonic-gate * Use is subject to license terms. 24*0Sstevel@tonic-gate */ 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27*0Sstevel@tonic-gate /* All Rights Reserved */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 31*0Sstevel@tonic-gate * under license from the Regents of the University of 32*0Sstevel@tonic-gate * California. 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate /* 38*0Sstevel@tonic-gate * YP updater for public key map 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate #include <stdio.h> 41*0Sstevel@tonic-gate #include <rpc/rpc.h> 42*0Sstevel@tonic-gate #include <rpcsvc/ypclnt.h> 43*0Sstevel@tonic-gate #include <sys/file.h> 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate extern char *malloc(); 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate main(argc, argv) 48*0Sstevel@tonic-gate int argc; 49*0Sstevel@tonic-gate char *argv[]; 50*0Sstevel@tonic-gate { 51*0Sstevel@tonic-gate unsigned op; 52*0Sstevel@tonic-gate char name[MAXNETNAMELEN + 1]; 53*0Sstevel@tonic-gate char key[256]; 54*0Sstevel@tonic-gate char data[256]; 55*0Sstevel@tonic-gate char line[256]; 56*0Sstevel@tonic-gate unsigned keylen; 57*0Sstevel@tonic-gate unsigned datalen; 58*0Sstevel@tonic-gate FILE *rf; 59*0Sstevel@tonic-gate FILE *wf; 60*0Sstevel@tonic-gate char *fname; 61*0Sstevel@tonic-gate char *tmpname; 62*0Sstevel@tonic-gate int err; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate if (argc != 3) { 66*0Sstevel@tonic-gate exit(YPERR_YPERR); 67*0Sstevel@tonic-gate } 68*0Sstevel@tonic-gate fname = argv[1]; 69*0Sstevel@tonic-gate tmpname = malloc(strlen(fname) + 4); 70*0Sstevel@tonic-gate if (tmpname == NULL) { 71*0Sstevel@tonic-gate exit(YPERR_YPERR); 72*0Sstevel@tonic-gate } 73*0Sstevel@tonic-gate sprintf(tmpname, "%s.tmp", fname); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate /* 76*0Sstevel@tonic-gate * Get input 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate if (! scanf("%s\n", name)) { 79*0Sstevel@tonic-gate exit(YPERR_YPERR); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate if (! scanf("%u\n", &op)) { 82*0Sstevel@tonic-gate exit(YPERR_YPERR); 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate if (! scanf("%u\n", &keylen)) { 85*0Sstevel@tonic-gate exit(YPERR_YPERR); 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate if (! fread(key, keylen, 1, stdin)) { 88*0Sstevel@tonic-gate exit(YPERR_YPERR); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate key[keylen] = 0; 91*0Sstevel@tonic-gate if (! scanf("%u\n", &datalen)) { 92*0Sstevel@tonic-gate exit(YPERR_YPERR); 93*0Sstevel@tonic-gate } 94*0Sstevel@tonic-gate if (! fread(data, datalen, 1, stdin)) { 95*0Sstevel@tonic-gate exit(YPERR_YPERR); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate data[datalen] = 0; 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate /* 100*0Sstevel@tonic-gate * Check permission 101*0Sstevel@tonic-gate */ 102*0Sstevel@tonic-gate if (strcmp(name, key) != 0) { 103*0Sstevel@tonic-gate exit(YPERR_ACCESS); 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate if (strcmp(name, "nobody") == 0) { 106*0Sstevel@tonic-gate /* 107*0Sstevel@tonic-gate * Can't change "nobody"s key. 108*0Sstevel@tonic-gate */ 109*0Sstevel@tonic-gate exit(YPERR_ACCESS); 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate /* 113*0Sstevel@tonic-gate * Open files 114*0Sstevel@tonic-gate */ 115*0Sstevel@tonic-gate rf = fopen(fname, "r"); 116*0Sstevel@tonic-gate if (rf == NULL) { 117*0Sstevel@tonic-gate exit(YPERR_YPERR); 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate wf = fopen(tmpname, "w"); 120*0Sstevel@tonic-gate if (wf == NULL) { 121*0Sstevel@tonic-gate exit(YPERR_YPERR); 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate err = -1; 124*0Sstevel@tonic-gate while (fgets(line, sizeof (line), rf)) { 125*0Sstevel@tonic-gate if (err < 0 && match(line, name)) { 126*0Sstevel@tonic-gate switch (op) { 127*0Sstevel@tonic-gate case YPOP_INSERT: 128*0Sstevel@tonic-gate err = YPERR_KEY; 129*0Sstevel@tonic-gate break; 130*0Sstevel@tonic-gate case YPOP_STORE: 131*0Sstevel@tonic-gate case YPOP_CHANGE: 132*0Sstevel@tonic-gate fprintf(wf, "%s %s\n", key, data); 133*0Sstevel@tonic-gate err = 0; 134*0Sstevel@tonic-gate break; 135*0Sstevel@tonic-gate case YPOP_DELETE: 136*0Sstevel@tonic-gate /* do nothing */ 137*0Sstevel@tonic-gate err = 0; 138*0Sstevel@tonic-gate break; 139*0Sstevel@tonic-gate } 140*0Sstevel@tonic-gate } else { 141*0Sstevel@tonic-gate fputs(line, wf); 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate } 144*0Sstevel@tonic-gate if (err < 0) { 145*0Sstevel@tonic-gate switch (op) { 146*0Sstevel@tonic-gate case YPOP_CHANGE: 147*0Sstevel@tonic-gate case YPOP_DELETE: 148*0Sstevel@tonic-gate err = YPERR_KEY; 149*0Sstevel@tonic-gate break; 150*0Sstevel@tonic-gate case YPOP_INSERT: 151*0Sstevel@tonic-gate case YPOP_STORE: 152*0Sstevel@tonic-gate err = 0; 153*0Sstevel@tonic-gate fprintf(wf, "%s %s\n", key, data); 154*0Sstevel@tonic-gate break; 155*0Sstevel@tonic-gate } 156*0Sstevel@tonic-gate } 157*0Sstevel@tonic-gate fclose(wf); 158*0Sstevel@tonic-gate fclose(rf); 159*0Sstevel@tonic-gate if (err == 0) { 160*0Sstevel@tonic-gate if (rename(tmpname, fname) < 0) { 161*0Sstevel@tonic-gate exit(YPERR_YPERR); 162*0Sstevel@tonic-gate } 163*0Sstevel@tonic-gate } else { 164*0Sstevel@tonic-gate if (unlink(tmpname) < 0) { 165*0Sstevel@tonic-gate exit(YPERR_YPERR); 166*0Sstevel@tonic-gate } 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate if (fork() == 0) { 169*0Sstevel@tonic-gate close(0); close(1); close(2); 170*0Sstevel@tonic-gate open("/dev/null", O_RDWR, 0); 171*0Sstevel@tonic-gate dup(0); dup(0); 172*0Sstevel@tonic-gate execl("/bin/sh", "sh", "-c", argv[2], NULL); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate exit(err); 175*0Sstevel@tonic-gate /* NOTREACHED */ 176*0Sstevel@tonic-gate } 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate match(line, name) 180*0Sstevel@tonic-gate char *line; 181*0Sstevel@tonic-gate char *name; 182*0Sstevel@tonic-gate { 183*0Sstevel@tonic-gate int len; 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate len = strlen(name); 186*0Sstevel@tonic-gate return (strncmp(line, name, len) == 0 && 187*0Sstevel@tonic-gate (line[len] == ' ' || line[len] == '\t')); 188*0Sstevel@tonic-gate } 189