1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.19 */ 32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */ 33 34 #include "stdio.h" 35 #include "sys/types.h" 36 #include "stdlib.h" 37 #include <unistd.h> 38 39 #include "lp.h" 40 #include "printers.h" 41 42 unsigned long badprinter = 0; 43 44 static int okinterface ( char * , PRINTER * ); 45 46 /** 47 ** okprinter() - SEE IF PRINTER STRUCTURE IS SOUND 48 **/ 49 50 int 51 okprinter(char *name, PRINTER *prbufp, int isput) 52 { 53 badprinter = 0; 54 55 /* 56 * A printer can't be remote and have device, interface, 57 * fault recovery, or alerts. 58 */ 59 if ( 60 prbufp->remote 61 && ( 62 prbufp->device 63 || prbufp->interface 64 || ( 65 prbufp->fault_alert.shcmd 66 && !STREQU(NAME_NONE, prbufp->fault_alert.shcmd) 67 ) 68 #if defined(CAN_DO_MODULES) 69 # if defined(FIXED) 70 /* 71 * This needs some work...getprinter() initializes this to "default" 72 */ 73 || ( 74 !emptylist(prbufp->modules) 75 && !STREQU(NAME_NONE, prbufp->modules[0]) 76 ) 77 # endif 78 #endif 79 ) 80 ) 81 badprinter |= BAD_REMOTE; 82 83 /* 84 * A local printer must have an interface program. This is 85 * for historical purposes (it let's someone know where the 86 * interface program came from) AND is used by "putprinter()" 87 * to copy the interface program. We must be able to read it. 88 */ 89 if (!prbufp->remote && isput && !okinterface(name, prbufp)) 90 badprinter |= BAD_INTERFACE; 91 92 /* 93 * A local printer must have device or dial info. 94 */ 95 if (!prbufp->remote && !prbufp->device && !prbufp->dial_info) 96 badprinter |= BAD_DEVDIAL; 97 98 /* 99 * Fault recovery must be one of three kinds 100 * (or default). 101 */ 102 if ( 103 prbufp->fault_rec 104 && !STREQU(prbufp->fault_rec, NAME_CONTINUE) 105 && !STREQU(prbufp->fault_rec, NAME_BEGINNING) 106 && !STREQU(prbufp->fault_rec, NAME_WAIT) 107 ) 108 badprinter |= BAD_FAULT; 109 110 /* 111 * Alert command can't be reserved word. 112 */ 113 if ( 114 prbufp->fault_alert.shcmd 115 && ( 116 STREQU(prbufp->fault_alert.shcmd, NAME_QUIET) 117 || STREQU(prbufp->fault_alert.shcmd, NAME_LIST) 118 ) 119 ) 120 badprinter |= BAD_ALERT; 121 122 return ((badprinter & ~ignprinter)? 0 : 1); 123 } 124 125 /** 126 ** okinterface() - CHECK THAT THE INTERFACE PROGRAM IS OKAY 127 **/ 128 129 static int 130 canread(char *path) 131 { 132 return ((access(path, R_OK) < 0) ? 0 : 1); 133 } 134 135 static int 136 okinterface(char *name, PRINTER *prbufp) 137 { 138 int ret; 139 140 register char *path; 141 142 143 if (prbufp->interface) 144 ret = canread(prbufp->interface); 145 146 else 147 if (!(path = makepath(Lp_A_Interfaces, name, (char *)0))) 148 ret = 0; 149 else { 150 ret = canread(path); 151 Free (path); 152 } 153 154 return (ret); 155 } 156