1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman 24*b30d1939SAndy Fiddaman #include <ast.h> 25*b30d1939SAndy Fiddaman 26*b30d1939SAndy Fiddaman #if !defined(getgroups) && defined(_lib_getgroups) 27*b30d1939SAndy Fiddaman 28*b30d1939SAndy Fiddaman NoN(getgroups) 29*b30d1939SAndy Fiddaman 30*b30d1939SAndy Fiddaman #else 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #include <error.h> 33*b30d1939SAndy Fiddaman 34*b30d1939SAndy Fiddaman #if defined(getgroups) 35*b30d1939SAndy Fiddaman #undef getgroups 36*b30d1939SAndy Fiddaman #define ast_getgroups _ast_getgroups 37*b30d1939SAndy Fiddaman #define botched 1 38*b30d1939SAndy Fiddaman extern int getgroups(int, int*); 39*b30d1939SAndy Fiddaman #else 40*b30d1939SAndy Fiddaman #define ast_getgroups getgroups 41*b30d1939SAndy Fiddaman #endif 42*b30d1939SAndy Fiddaman 43*b30d1939SAndy Fiddaman #if defined(__EXPORT__) 44*b30d1939SAndy Fiddaman #define extern __EXPORT__ 45*b30d1939SAndy Fiddaman #endif 46*b30d1939SAndy Fiddaman 47*b30d1939SAndy Fiddaman extern int 48*b30d1939SAndy Fiddaman ast_getgroups(int len, gid_t* set) 49*b30d1939SAndy Fiddaman { 50*b30d1939SAndy Fiddaman #if botched 51*b30d1939SAndy Fiddaman #if NGROUPS_MAX < 1 52*b30d1939SAndy Fiddaman #undef NGROUPS_MAX 53*b30d1939SAndy Fiddaman #define NGROUPS_MAX 1 54*b30d1939SAndy Fiddaman #endif 55*b30d1939SAndy Fiddaman register int i; 56*b30d1939SAndy Fiddaman int big[NGROUPS_MAX]; 57*b30d1939SAndy Fiddaman #else 58*b30d1939SAndy Fiddaman #undef NGROUPS_MAX 59*b30d1939SAndy Fiddaman #define NGROUPS_MAX 1 60*b30d1939SAndy Fiddaman #endif 61*b30d1939SAndy Fiddaman if (!len) return(NGROUPS_MAX); 62*b30d1939SAndy Fiddaman if (len < 0 || !set) 63*b30d1939SAndy Fiddaman { 64*b30d1939SAndy Fiddaman errno = EINVAL; 65*b30d1939SAndy Fiddaman return(-1); 66*b30d1939SAndy Fiddaman } 67*b30d1939SAndy Fiddaman #if botched 68*b30d1939SAndy Fiddaman len = getgroups(len > NGROUPS_MAX ? NGROUPS_MAX : len, big); 69*b30d1939SAndy Fiddaman for (i = 0; i < len; i++) 70*b30d1939SAndy Fiddaman set[i] = big[i]; 71*b30d1939SAndy Fiddaman return(len); 72*b30d1939SAndy Fiddaman #else 73*b30d1939SAndy Fiddaman *set = getgid(); 74*b30d1939SAndy Fiddaman return(1); 75*b30d1939SAndy Fiddaman #endif 76*b30d1939SAndy Fiddaman } 77*b30d1939SAndy Fiddaman 78*b30d1939SAndy Fiddaman #endif 79