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