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 /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma weak run_setkey = _run_setkey 35*0Sstevel@tonic-gate #pragma weak run_crypt = _run_crypt 36*0Sstevel@tonic-gate #pragma weak crypt_close = _crypt_close 37*0Sstevel@tonic-gate #pragma weak makekey = _makekey 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include "synonyms.h" 40*0Sstevel@tonic-gate #include "mtlib.h" 41*0Sstevel@tonic-gate #include <stdio.h> 42*0Sstevel@tonic-gate #include <signal.h> 43*0Sstevel@tonic-gate #include <fcntl.h> 44*0Sstevel@tonic-gate #include <errno.h> 45*0Sstevel@tonic-gate #include <thread.h> 46*0Sstevel@tonic-gate #include <sys/types.h> 47*0Sstevel@tonic-gate #include <unistd.h> 48*0Sstevel@tonic-gate #include <strings.h> 49*0Sstevel@tonic-gate #include <crypt.h> 50*0Sstevel@tonic-gate #include "des_soft.h" 51*0Sstevel@tonic-gate #include "lib_gen.h" 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #define READER 0 54*0Sstevel@tonic-gate #define WRITER 1 55*0Sstevel@tonic-gate #define KSIZE 8 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* Global Variables */ 58*0Sstevel@tonic-gate static char key[KSIZE+1]; 59*0Sstevel@tonic-gate struct header { 60*0Sstevel@tonic-gate long offset; 61*0Sstevel@tonic-gate unsigned int count; 62*0Sstevel@tonic-gate }; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate static mutex_t lock = DEFAULTMUTEX; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate static int cryptopen(); 67*0Sstevel@tonic-gate static int writekey(); 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate void _exit(); 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate int 72*0Sstevel@tonic-gate run_setkey(int p[2], const char *keyparam) 73*0Sstevel@tonic-gate { 74*0Sstevel@tonic-gate (void) mutex_lock(&lock); 75*0Sstevel@tonic-gate if (cryptopen(p) == -1) { 76*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 77*0Sstevel@tonic-gate return (-1); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate (void) strncpy(key, keyparam, KSIZE); 80*0Sstevel@tonic-gate if (*key == 0) { 81*0Sstevel@tonic-gate (void) crypt_close_nolock(p); 82*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 83*0Sstevel@tonic-gate return (0); 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate if (writekey(p, key) == -1) { 86*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 87*0Sstevel@tonic-gate return (-1); 88*0Sstevel@tonic-gate } 89*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 90*0Sstevel@tonic-gate return (1); 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate static char cmd[] = "exec /usr/bin/crypt -p 2>/dev/null"; 94*0Sstevel@tonic-gate static int 95*0Sstevel@tonic-gate cryptopen(int p[2]) 96*0Sstevel@tonic-gate { 97*0Sstevel@tonic-gate char c; 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate if (__p2open(cmd, p) < 0) 100*0Sstevel@tonic-gate return (-1); 101*0Sstevel@tonic-gate if (read(p[WRITER], &c, 1) != 1) { /* check that crypt is working on */ 102*0Sstevel@tonic-gate /* other end */ 103*0Sstevel@tonic-gate (void) crypt_close(p); /* remove defunct process */ 104*0Sstevel@tonic-gate return (-1); 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate return (1); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate static int 110*0Sstevel@tonic-gate writekey(int p[2], char *keyarg) 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate void (*pstat) (); 113*0Sstevel@tonic-gate pstat = signal(SIGPIPE, SIG_IGN); /* don't want pipe errors to cause */ 114*0Sstevel@tonic-gate /* death */ 115*0Sstevel@tonic-gate if (write(p[READER], keyarg, KSIZE) != KSIZE) { 116*0Sstevel@tonic-gate (void) crypt_close(p); /* remove defunct process */ 117*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 118*0Sstevel@tonic-gate return (-1); 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 121*0Sstevel@tonic-gate return (1); 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate int 126*0Sstevel@tonic-gate run_crypt(long offset, char *buffer, unsigned int count, int p[2]) 127*0Sstevel@tonic-gate { 128*0Sstevel@tonic-gate struct header header; 129*0Sstevel@tonic-gate void (*pstat) (); 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate (void) mutex_lock(&lock); 132*0Sstevel@tonic-gate header.count = count; 133*0Sstevel@tonic-gate header.offset = offset; 134*0Sstevel@tonic-gate pstat = signal(SIGPIPE, SIG_IGN); 135*0Sstevel@tonic-gate if (write(p[READER], (char *)&header, sizeof (header)) 136*0Sstevel@tonic-gate != sizeof (header)) { 137*0Sstevel@tonic-gate (void) crypt_close_nolock(p); 138*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 139*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 140*0Sstevel@tonic-gate return (-1); 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate if (write(p[READER], buffer, count) < count) { 143*0Sstevel@tonic-gate (void) crypt_close_nolock(p); 144*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 145*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 146*0Sstevel@tonic-gate return (-1); 147*0Sstevel@tonic-gate } 148*0Sstevel@tonic-gate if (read(p[WRITER], buffer, count) < count) { 149*0Sstevel@tonic-gate (void) crypt_close_nolock(p); 150*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 151*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 152*0Sstevel@tonic-gate return (-1); 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate (void) signal(SIGPIPE, pstat); 155*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 156*0Sstevel@tonic-gate return (0); 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate int 160*0Sstevel@tonic-gate makekey(int b[2]) 161*0Sstevel@tonic-gate { 162*0Sstevel@tonic-gate int i; 163*0Sstevel@tonic-gate long gorp; 164*0Sstevel@tonic-gate char tempbuf[KSIZE], *a, *temp; 165*0Sstevel@tonic-gate 166*0Sstevel@tonic-gate (void) mutex_lock(&lock); 167*0Sstevel@tonic-gate a = key; 168*0Sstevel@tonic-gate temp = tempbuf; 169*0Sstevel@tonic-gate for (i = 0; i < KSIZE; i++) 170*0Sstevel@tonic-gate temp[i] = *a++; 171*0Sstevel@tonic-gate gorp = getuid() + getgid(); 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate for (i = 0; i < 4; i++) 174*0Sstevel@tonic-gate temp[i] ^= (char)((gorp>>(8*i))&0377); 175*0Sstevel@tonic-gate 176*0Sstevel@tonic-gate if (cryptopen(b) == -1) { 177*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 178*0Sstevel@tonic-gate return (-1); 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate if (writekey(b, temp) == -1) { 181*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 182*0Sstevel@tonic-gate return (-1); 183*0Sstevel@tonic-gate } 184*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 185*0Sstevel@tonic-gate return (0); 186*0Sstevel@tonic-gate } 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate int 189*0Sstevel@tonic-gate crypt_close_nolock(int p[2]) 190*0Sstevel@tonic-gate { 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate if (p[0] == 0 && p[1] == 0 || p[0] < 0 || p[1] < 0) { 193*0Sstevel@tonic-gate return (-1); 194*0Sstevel@tonic-gate } 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate return (__p2close(p, NULL, SIGKILL)); 197*0Sstevel@tonic-gate } 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate int 200*0Sstevel@tonic-gate crypt_close(int p[2]) 201*0Sstevel@tonic-gate { 202*0Sstevel@tonic-gate (void) mutex_lock(&lock); 203*0Sstevel@tonic-gate (void) crypt_close_nolock(p); 204*0Sstevel@tonic-gate (void) mutex_unlock(&lock); 205*0Sstevel@tonic-gate return (0); 206*0Sstevel@tonic-gate } 207