diff options
Diffstat (limited to 'sysdeps/mach/hurd/setgid.c')
| -rw-r--r-- | sysdeps/mach/hurd/setgid.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/sysdeps/mach/hurd/setgid.c b/sysdeps/mach/hurd/setgid.c index b2d9313307..ca493a4f7b 100644 --- a/sysdeps/mach/hurd/setgid.c +++ b/sysdeps/mach/hurd/setgid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -46,21 +46,26 @@ DEFUN(__setgid, (gid), gid_t gid) gid_t *newgen, *newaux, auxbuf[2]; size_t ngen, naux; - newaux = _hurd_id.aux.gids; - naux = _hurd_id.aux.ngids; if (_hurd_id.gen.ngids == 0) { /* No effective gids now. The new set will be just GID. */ newgen = &gid; ngen = 1; } - else if (_hurd_id.gen.gids[0] == 0) + else { - /* We are root; set the effective, real, and saved to GID. */ _hurd_id.gen.gids[0] = gid; _hurd_id.valid = 0; newgen = _hurd_id.gen.gids; ngen = _hurd_id.gen.ngids; + } + + newaux = _hurd_id.aux.gids; + naux = _hurd_id.aux.ngids; + if (_hurd_id.gen.nuids > 0 && _hurd_id.gen.uids[0] == 0) + { + /* We are root; set the real and saved IDs too. */ + _hurd_id.valid = 0; if (_hurd_id.aux.ngids < 2) { newaux = auxbuf; @@ -68,20 +73,12 @@ DEFUN(__setgid, (gid), gid_t gid) } newaux[0] = newaux[1] = gid; } - else - { - /* We are not root; just change the effective GID. */ - _hurd_id.gen.gids[0] = gid; - _hurd_id.valid = 0; - newgen = _hurd_id.gen.gids; - ngen = _hurd_id.gen.ngids; - } err = __USEPORT (AUTH, __auth_makeauth (port, NULL, MACH_MSG_TYPE_COPY_SEND, 0, + _hurd_id.gen.uids, _hurd_id.gen.nuids, + _hurd_id.aux.uids, _hurd_id.aux.nuids, newgen, ngen, newaux, naux, - _hurd_id.gen.gids, _hurd_id.gen.ngids, - _hurd_id.aux.gids, _hurd_id.aux.ngids, &newauth)); } __mutex_unlock (&_hurd_id.lock); |