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 (c) 1997, by Sun Microsystems, Inc. 24 * All rights reserved. 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" 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <stdio.h> 37 #include <ctype.h> 38 #include <userdefs.h> 39 #include <users.h> 40 41 /* 42 * validate string given as group name. 43 */ 44 int 45 valid_gname(char *group, struct group **gptr, int *warning) 46 { 47 struct group *t_gptr; 48 char *ptr = group; 49 char c; 50 int len = 0; 51 int badchar = 0; 52 53 *warning = 0; 54 if (!group || !*group) 55 return (INVALID); 56 57 for (c = *ptr; c != NULL; ptr++, c = *ptr) { 58 len++; 59 if (!isprint(c) || (c == ':') || (c == '\n')) 60 return (INVALID); 61 if (!(islower(c) || isdigit(c))) 62 badchar++; 63 } 64 65 /* 66 * XXX constraints causes some operational/compatibility problem. 67 * This has to be revisited in the future as ARC/standards issue. 68 */ 69 if (len > MAXGLEN - 1) 70 *warning = *warning | WARN_NAME_TOO_LONG; 71 if (badchar != 0) 72 *warning = *warning | WARN_BAD_GROUP_NAME; 73 74 if ((t_gptr = getgrnam(group)) != NULL) { 75 if (gptr) *gptr = t_gptr; 76 return (NOTUNIQUE); 77 } 78 return (UNIQUE); 79 } 80