17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*49335bdeSbasabi * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <sys/types.h> 347c478bd9Sstevel@tonic-gate #include <stdio.h> 357c478bd9Sstevel@tonic-gate #include <sys/param.h> 367c478bd9Sstevel@tonic-gate #include <users.h> 377c478bd9Sstevel@tonic-gate #include <userdefs.h> 387c478bd9Sstevel@tonic-gate #include "messages.h" 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate extern int get_ngm(); 417c478bd9Sstevel@tonic-gate extern void exit(); 427c478bd9Sstevel@tonic-gate extern char *strtok(); 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate static gid_t grplist[ NGROUPS_UMAX + 1 ]; 45*49335bdeSbasabi static int ngroups_max = 0; 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate /* Validate a list of groups */ 487c478bd9Sstevel@tonic-gate int ** 49*49335bdeSbasabi valid_lgroup(char *list, gid_t gid) 507c478bd9Sstevel@tonic-gate { 51*49335bdeSbasabi int n_invalid = 0, i = 0, j; 527c478bd9Sstevel@tonic-gate char *ptr; 537c478bd9Sstevel@tonic-gate struct group *g_ptr; 547c478bd9Sstevel@tonic-gate int warning; 557c478bd9Sstevel@tonic-gate int dup_prim = 0; /* we don't duplicate our primary as a supplemental */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate if( !list || !*list ) 587c478bd9Sstevel@tonic-gate return( (int **) NULL ); 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate while (ptr = strtok(((i || n_invalid || dup_prim)? NULL: list), ",")) { 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate switch (valid_group(ptr, &g_ptr, &warning)) { 637c478bd9Sstevel@tonic-gate case INVALID: 647c478bd9Sstevel@tonic-gate errmsg( M_INVALID, ptr, "group id" ); 657c478bd9Sstevel@tonic-gate n_invalid++; 667c478bd9Sstevel@tonic-gate break; 677c478bd9Sstevel@tonic-gate case TOOBIG: 687c478bd9Sstevel@tonic-gate errmsg( M_TOOBIG, "gid", ptr ); 697c478bd9Sstevel@tonic-gate n_invalid++; 707c478bd9Sstevel@tonic-gate break; 717c478bd9Sstevel@tonic-gate case UNIQUE: 727c478bd9Sstevel@tonic-gate errmsg( M_GRP_NOTUSED, ptr ); 737c478bd9Sstevel@tonic-gate n_invalid++; 747c478bd9Sstevel@tonic-gate break; 757c478bd9Sstevel@tonic-gate case NOTUNIQUE: 767c478bd9Sstevel@tonic-gate /* ignore duplicated primary */ 777c478bd9Sstevel@tonic-gate if (g_ptr->gr_gid == gid) { 787c478bd9Sstevel@tonic-gate if (!dup_prim) 797c478bd9Sstevel@tonic-gate dup_prim++; 807c478bd9Sstevel@tonic-gate continue; 817c478bd9Sstevel@tonic-gate } 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate if( !i ) 847c478bd9Sstevel@tonic-gate grplist[ i++ ] = g_ptr->gr_gid; 857c478bd9Sstevel@tonic-gate else { 867c478bd9Sstevel@tonic-gate /* Keep out duplicates */ 877c478bd9Sstevel@tonic-gate for( j = 0; j < i; j++ ) 887c478bd9Sstevel@tonic-gate if( g_ptr->gr_gid == grplist[j] ) 897c478bd9Sstevel@tonic-gate break; 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate if( j == i ) 927c478bd9Sstevel@tonic-gate /* Not a duplicate */ 937c478bd9Sstevel@tonic-gate grplist[i++] = g_ptr->gr_gid; 947c478bd9Sstevel@tonic-gate } 957c478bd9Sstevel@tonic-gate break; 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate } 987c478bd9Sstevel@tonic-gate if (warning) 997c478bd9Sstevel@tonic-gate warningmsg(warning, ptr); 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate if( !ngroups_max ) 1027c478bd9Sstevel@tonic-gate ngroups_max = get_ngm(); 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate if( i >= ngroups_max ) { 1067c478bd9Sstevel@tonic-gate errmsg( M_MAXGROUPS, ngroups_max ); 1077c478bd9Sstevel@tonic-gate break; 1087c478bd9Sstevel@tonic-gate } 1097c478bd9Sstevel@tonic-gate } 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate /* Terminate the list */ 1127c478bd9Sstevel@tonic-gate grplist[ i ] = -1; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate if( n_invalid ) 1157c478bd9Sstevel@tonic-gate exit( EX_BADARG ); 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate return( (int **)grplist ); 1187c478bd9Sstevel@tonic-gate } 119