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 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */ 31 32 #include "stdio.h" 33 #include "sys/types.h" 34 #include "stdlib.h" 35 #include <unistd.h> 36 37 #include "lp.h" 38 #include "printers.h" 39 40 unsigned long badprinter = 0; 41 42 static int okinterface ( char * , PRINTER * ); 43 44 /** 45 ** okprinter() - SEE IF PRINTER STRUCTURE IS SOUND 46 **/ 47 48 int 49 okprinter(char *name, PRINTER *prbufp, int isput) 50 { 51 badprinter = 0; 52 53 /* 54 * A printer can't be remote and have device, interface, 55 * fault recovery, or alerts. 56 */ 57 if ( 58 prbufp->remote 59 && ( 60 prbufp->device 61 || prbufp->interface 62 || ( 63 prbufp->fault_alert.shcmd 64 && !STREQU(NAME_NONE, prbufp->fault_alert.shcmd) 65 ) 66 #if defined(CAN_DO_MODULES) 67 # if defined(FIXED) 68 /* 69 * This needs some work...getprinter() initializes this to "default" 70 */ 71 || ( 72 !emptylist(prbufp->modules) 73 && !STREQU(NAME_NONE, prbufp->modules[0]) 74 ) 75 # endif 76 #endif 77 ) 78 ) 79 badprinter |= BAD_REMOTE; 80 81 /* 82 * A local printer must have an interface program. This is 83 * for historical purposes (it let's someone know where the 84 * interface program came from) AND is used by "putprinter()" 85 * to copy the interface program. We must be able to read it. 86 */ 87 if (!prbufp->remote && isput && !okinterface(name, prbufp)) 88 badprinter |= BAD_INTERFACE; 89 90 /* 91 * A local printer must have device or dial info. 92 */ 93 if (!prbufp->remote && !prbufp->device && !prbufp->dial_info) 94 badprinter |= BAD_DEVDIAL; 95 96 /* 97 * Fault recovery must be one of three kinds 98 * (or default). 99 */ 100 if ( 101 prbufp->fault_rec 102 && !STREQU(prbufp->fault_rec, NAME_CONTINUE) 103 && !STREQU(prbufp->fault_rec, NAME_BEGINNING) 104 && !STREQU(prbufp->fault_rec, NAME_WAIT) 105 ) 106 badprinter |= BAD_FAULT; 107 108 /* 109 * Alert command can't be reserved word. 110 */ 111 if ( 112 prbufp->fault_alert.shcmd 113 && ( 114 STREQU(prbufp->fault_alert.shcmd, NAME_QUIET) 115 || STREQU(prbufp->fault_alert.shcmd, NAME_LIST) 116 ) 117 ) 118 badprinter |= BAD_ALERT; 119 120 return ((badprinter & ~ignprinter)? 0 : 1); 121 } 122 123 /** 124 ** okinterface() - CHECK THAT THE INTERFACE PROGRAM IS OKAY 125 **/ 126 127 static int 128 canread(char *path) 129 { 130 return ((access(path, R_OK) < 0) ? 0 : 1); 131 } 132 133 static int 134 okinterface(char *name, PRINTER *prbufp) 135 { 136 int ret; 137 138 register char *path; 139 140 141 if (prbufp->interface) 142 ret = canread(prbufp->interface); 143 144 else 145 if (!(path = makepath(Lp_A_Interfaces, name, (char *)0))) 146 ret = 0; 147 else { 148 ret = canread(path); 149 Free (path); 150 } 151 152 return (ret); 153 } 154