/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ #pragma ident "%Z%%M% %I% %E% SMI" #include <sys/types.h> #include <stdio.h> #include <sys/param.h> #include <users.h> #include <userdefs.h> #include "messages.h" extern int get_ngm(); extern void exit(); extern char *strtok(); static gid_t grplist[ NGROUPS_UMAX + 1 ]; static int ngroups_max = 0; /* Validate a list of groups */ int ** valid_lgroup(char *list, gid_t gid) { int n_invalid = 0, i = 0, j; char *ptr; struct group *g_ptr; int warning; int dup_prim = 0; /* we don't duplicate our primary as a supplemental */ if( !list || !*list ) return( (int **) NULL ); while (ptr = strtok(((i || n_invalid || dup_prim)? NULL: list), ",")) { switch (valid_group(ptr, &g_ptr, &warning)) { case INVALID: errmsg( M_INVALID, ptr, "group id" ); n_invalid++; break; case TOOBIG: errmsg( M_TOOBIG, "gid", ptr ); n_invalid++; break; case UNIQUE: errmsg( M_GRP_NOTUSED, ptr ); n_invalid++; break; case NOTUNIQUE: /* ignore duplicated primary */ if (g_ptr->gr_gid == gid) { if (!dup_prim) dup_prim++; continue; } if( !i ) grplist[ i++ ] = g_ptr->gr_gid; else { /* Keep out duplicates */ for( j = 0; j < i; j++ ) if( g_ptr->gr_gid == grplist[j] ) break; if( j == i ) /* Not a duplicate */ grplist[i++] = g_ptr->gr_gid; } break; } if (warning) warningmsg(warning, ptr); if( !ngroups_max ) ngroups_max = get_ngm(); if( i >= ngroups_max ) { errmsg( M_MAXGROUPS, ngroups_max ); break; } } /* Terminate the list */ grplist[ i ] = -1; if( n_invalid ) exit( EX_BADARG ); return( (int **)grplist ); }