1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 77c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * 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) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> * 18da2e3ebdSchin * David Korn <dgk@research.att.com> * 19da2e3ebdSchin * Phong Vo <kpv@research.att.com> * 20da2e3ebdSchin * * 21da2e3ebdSchin ***********************************************************************/ 22da2e3ebdSchin #pragma prototyped 23da2e3ebdSchin 24da2e3ebdSchin #include <ast.h> 25da2e3ebdSchin 26da2e3ebdSchin #if !defined(getgroups) && defined(_lib_getgroups) 27da2e3ebdSchin 28da2e3ebdSchin NoN(getgroups) 29da2e3ebdSchin 30da2e3ebdSchin #else 31da2e3ebdSchin 32da2e3ebdSchin #include <error.h> 33da2e3ebdSchin 34da2e3ebdSchin #if defined(getgroups) 35da2e3ebdSchin #undef getgroups 36da2e3ebdSchin #define ast_getgroups _ast_getgroups 37da2e3ebdSchin #define botched 1 38da2e3ebdSchin extern int getgroups(int, int*); 39da2e3ebdSchin #else 40da2e3ebdSchin #define ast_getgroups getgroups 41da2e3ebdSchin #endif 42da2e3ebdSchin 43da2e3ebdSchin #if defined(__EXPORT__) 44da2e3ebdSchin #define extern __EXPORT__ 45da2e3ebdSchin #endif 46da2e3ebdSchin 47da2e3ebdSchin extern int 48da2e3ebdSchin ast_getgroups(int len, gid_t* set) 49da2e3ebdSchin { 50da2e3ebdSchin #if botched 51da2e3ebdSchin #if NGROUPS_MAX < 1 52da2e3ebdSchin #undef NGROUPS_MAX 53da2e3ebdSchin #define NGROUPS_MAX 1 54da2e3ebdSchin #endif 55da2e3ebdSchin register int i; 56da2e3ebdSchin int big[NGROUPS_MAX]; 57da2e3ebdSchin #else 58da2e3ebdSchin #undef NGROUPS_MAX 59da2e3ebdSchin #define NGROUPS_MAX 1 60da2e3ebdSchin #endif 61da2e3ebdSchin if (!len) return(NGROUPS_MAX); 62da2e3ebdSchin if (len < 0 || !set) 63da2e3ebdSchin { 64da2e3ebdSchin errno = EINVAL; 65da2e3ebdSchin return(-1); 66da2e3ebdSchin } 67da2e3ebdSchin #if botched 68da2e3ebdSchin len = getgroups(len > NGROUPS_MAX ? NGROUPS_MAX : len, big); 69da2e3ebdSchin for (i = 0; i < len; i++) 70da2e3ebdSchin set[i] = big[i]; 71da2e3ebdSchin return(len); 72da2e3ebdSchin #else 73da2e3ebdSchin *set = getgid(); 74da2e3ebdSchin return(1); 75da2e3ebdSchin #endif 76da2e3ebdSchin } 77da2e3ebdSchin 78da2e3ebdSchin #endif 79