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Fri Dec 22 00:57:38 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/setuid.c: Rewrote ID frobnication to do the right thing. * sysdeps/mach/hurd/setgid.c: Likewise. * sysdeps/mach/hurd/setreuid.c: Likewise. * sysdeps/mach/hurd/setregid.c: Likewise. * sysdeps/mach/hurd/setegid.c: Likewise. * sysdeps/mach/hurd/seteuid.c: Likewise. * sysdeps/mach/hurd/fork.c: Peek __mach_task_self_ value before proc_dostop call to work around kernel paging bug. Thu Dec 21 12:19:32 1995 Miles Bader <miles@gnu.ai.mit.edu> * sysdeps/mach/hurd/setuid.c (__setuid): Actually add the new uid instead of putting it (and other uids) in the gids and leaving the old uids as is.
This commit is contained in:
Roland McGrath
parent
e3fa2641f4
commit
975320984b
19
ChangeLog
19
ChangeLog
@ -1,3 +1,22 @@
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Fri Dec 22 00:57:38 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* sysdeps/mach/hurd/setuid.c: Rewrote ID frobnication to do the
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right thing.
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* sysdeps/mach/hurd/setgid.c: Likewise.
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* sysdeps/mach/hurd/setreuid.c: Likewise.
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* sysdeps/mach/hurd/setregid.c: Likewise.
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* sysdeps/mach/hurd/setegid.c: Likewise.
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* sysdeps/mach/hurd/seteuid.c: Likewise.
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* sysdeps/mach/hurd/fork.c: Peek __mach_task_self_ value before
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proc_dostop call to work around kernel paging bug.
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Thu Dec 21 12:19:32 1995 Miles Bader <miles@gnu.ai.mit.edu>
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* sysdeps/mach/hurd/setuid.c (__setuid): Actually add the new uid
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instead of putting it (and other uids) in the gids and leaving the
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old uids as is.
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Wed Dec 20 18:23:10 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
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* stdio/internals.c (flushbuf): If the target is -1, always
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@ -1,4 +1,4 @@
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/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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/* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -40,17 +40,18 @@ DEFUN(setegid, (gid), gid_t gid)
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/* Make a new auth handle which has EGID as the first element in the
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list of effective gids. */
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size_t ngen = _hurd_id.gen.ngids < 1 ? 1 : _hurd_id.gen.ngids;
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gid_t newgen[ngen];
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newgen[0] = gid;
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memcpy (&newgen[1], _hurd_id.gen.gids, (ngen - 1) * sizeof (gid_t));
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if (_hurd_id.gen.ngids > 0)
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{
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_hurd_id.gen.gids[0] = gid;
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_hurd_id.valid = 0;
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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_hurd_id.gen.uids, _hurd_id.gen.nuids,
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_hurd_id.aux.uids, _hurd_id.aux.nuids,
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newgen, ngen,
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_hurd_id.gen.ngids ? _hurd_id.gen.gids : &gid,
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_hurd_id.gen.ngids ?: 1,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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&newauth));
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}
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@ -1,4 +1,4 @@
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/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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/* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -40,15 +40,16 @@ DEFUN(seteuid, (uid), uid_t uid)
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/* Make a new auth handle which has EUID as the first element in the
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list of effective uids. */
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size_t ngen = _hurd_id.gen.nuids < 1 ? 1 : _hurd_id.gen.nuids;
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uid_t newgen[ngen];
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newgen[0] = uid;
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memcpy (&newgen[1], _hurd_id.gen.uids, (ngen - 1) * sizeof (uid_t));
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if (_hurd_id.gen.nuids > 0)
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{
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_hurd_id.gen.uids[0] = uid;
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_hurd_id.valid = 0;
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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newgen, ngen,
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_hurd_id.gen.nuids ? _hurd_id.gen.uids : &uid,
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_hurd_id.gen.nuids ?: 1,
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_hurd_id.aux.uids, _hurd_id.aux.nuids,
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_hurd_id.gen.gids, _hurd_id.gen.ngids,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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@ -43,22 +43,45 @@ DEFUN(__setgid, (gid), gid_t gid)
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/* Make a new auth handle which has GID as the real gid,
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and as the first element in the list of effective gids. */
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gid_t newgen[_hurd_id.gen.ngids + 1];
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gid_t newaux[_hurd_id.aux.ngids];
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newgen[0] = gid;
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memcpy (&newgen[1], _hurd_id.gen.gids,
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_hurd_id.gen.ngids * sizeof (gid_t));
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newaux[0] = gid;
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memcpy (&newaux[1], _hurd_id.aux.gids,
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(_hurd_id.aux.ngids - 1) * sizeof (gid_t));
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gid_t *newgen, *newaux, auxbuf[2];
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size_t ngen, naux;
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newaux = _hurd_id.aux.gids;
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naux = _hurd_id.aux.ngids;
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if (_hurd_id.gen.ngids == 0)
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{
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/* No effective gids now. The new set will be just GID. */
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newgen = &gid;
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ngen = 1;
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}
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else if (_hurd_id.gen.gids[0] == 0)
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{
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/* We are root; set the effective, real, and saved to GID. */
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_hurd_id.gen.gids[0] = gid;
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_hurd_id.valid = 0;
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newgen = _hurd_id.gen.gids;
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ngen = _hurd_id.gen.ngids;
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if (_hurd_id.aux.ngids < 2)
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{
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newaux = auxbuf;
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naux = 2;
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}
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_hurd_id.aux.gids[0] = _hurd_id.aux.gids[1] = gid;
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}
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else
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{
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/* We are not root; just change the effective GID. */
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_hurd_id.gen.gids[0] = gid;
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_hurd_id.valid = 0;
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newgen = _hurd_id.gen.gids;
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ngen = _hurd_id.gen.ngids;
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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_hurd_id.gen.uids, _hurd_id.gen.nuids,
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_hurd_id.aux.uids, _hurd_id.aux.nuids,
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newgen, 1 + _hurd_id.gen.ngids,
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newaux, _hurd_id.aux.ngids,
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newgen, ngen, newaux, naux,
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_hurd_id.gen.gids, _hurd_id.gen.ngids,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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&newauth));
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}
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__mutex_unlock (&_hurd_id.lock);
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@ -39,21 +39,47 @@ __setregid (gid_t rgid, gid_t egid)
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/* Make a new auth handle which has RGID as the real gid,
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and EGID as the first element in the list of effective gids. */
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size_t ngen = _hurd_id.gen.ngids < 1 ? 1 : _hurd_id.gen.ngids;
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size_t naux = _hurd_id.aux.ngids < 1 ? 1 : _hurd_id.aux.ngids;
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gid_t newaux[naux], newgen[ngen];
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gid_t *newgen, *newaux;
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size_t ngen, naux;
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newgen[0] = egid;
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memcpy (&newgen[1], _hurd_id.gen.gids, (ngen - 1) * sizeof (gid_t));
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newaux[0] = rgid;
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memcpy (&newaux[1], _hurd_id.aux.gids, (naux - 1) * sizeof (gid_t));
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newgen = _hurd_id.gen.gids;
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ngen = _hurd_id.gen.ngids;
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if (egid != -1)
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{
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if (_hurd_id.gen.ngids == 0)
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{
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/* No effective gids now. The new set will be just GID. */
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newgen = &egid;
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ngen = 1;
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}
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else
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{
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_hurd_id.gen.gids[0] = egid;
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_hurd_id.valid = 0;
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}
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}
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newaux = _hurd_id.aux.gids;
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naux = _hurd_id.aux.ngids;
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if (rgid != -1)
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{
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if (_hurd_id.aux.ngids == 0)
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{
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newaux = &rgid;
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naux = 1;
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}
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else
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{
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_hurd_id.aux.gids[0] = rgid;
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_hurd_id.valid = 0;
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}
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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_hurd_id.gen.gids, _hurd_id.gen.ngids,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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newgen, ngen,
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newaux, naux,
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_hurd_id.gen.uids, _hurd_id.gen.nuids,
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_hurd_id.aux.uids, _hurd_id.aux.nuids,
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newgen, ngen, newaux, naux,
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&newauth));
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}
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__mutex_unlock (&_hurd_id.lock);
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@ -39,19 +39,45 @@ __setreuid (uid_t ruid, uid_t euid)
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/* Make a new auth handle which has RUID as the real uid,
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and EUID as the first element in the list of effective uids. */
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size_t ngen = _hurd_id.gen.nuids < 1 ? 1 : _hurd_id.gen.nuids;
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size_t naux = _hurd_id.aux.nuids < 1 ? 1 : _hurd_id.aux.nuids;
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uid_t newaux[naux], newgen[ngen];
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uid_t *newgen, *newaux;
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size_t ngen, naux;
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newgen[0] = euid;
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memcpy (&newgen[1], _hurd_id.gen.uids, (ngen - 1) * sizeof (uid_t));
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newaux[0] = ruid;
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memcpy (&newaux[1], _hurd_id.aux.uids, (naux - 1) * sizeof (uid_t));
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newgen = _hurd_id.gen.uids;
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ngen = _hurd_id.gen.nuids;
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if (euid != -1)
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{
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if (_hurd_id.gen.nuids == 0)
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{
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/* No effective uids now. The new set will be just UID. */
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newgen = &euid;
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ngen = 1;
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}
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else
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{
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_hurd_id.gen.uids[0] = euid;
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_hurd_id.valid = 0;
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}
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}
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newaux = _hurd_id.aux.uids;
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naux = _hurd_id.aux.nuids;
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if (ruid != -1)
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{
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if (_hurd_id.aux.nuids == 0)
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{
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newaux = &ruid;
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naux = 1;
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}
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else
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{
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_hurd_id.aux.uids[0] = ruid;
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_hurd_id.valid = 0;
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}
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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newgen, ngen,
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newaux, naux,
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newgen, ngen, newaux, naux,
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_hurd_id.gen.gids, _hurd_id.gen.ngids,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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&newauth));
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@ -43,20 +43,43 @@ DEFUN(__setuid, (uid), uid_t uid)
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/* Make a new auth handle which has UID as the real uid,
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and as the first element in the list of effective uids. */
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uid_t newgen[_hurd_id.gen.nuids + 1];
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uid_t newaux[_hurd_id.aux.nuids];
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newgen[0] = uid;
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memcpy (&newgen[1], _hurd_id.gen.uids,
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_hurd_id.gen.nuids * sizeof (uid_t));
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newaux[0] = uid;
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memcpy (&newaux[1], _hurd_id.aux.uids + 1,
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(_hurd_id.aux.nuids - 1) * sizeof (uid_t));
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uid_t *newgen, *newaux, auxbuf[2];
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size_t ngen, naux;
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newaux = _hurd_id.aux.uids;
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naux = _hurd_id.aux.nuids;
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if (_hurd_id.gen.nuids == 0)
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{
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/* No effective uids now. The new set will be just UID. */
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newgen = &uid;
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ngen = 1;
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}
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else if (_hurd_id.gen.uids[0] == 0)
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{
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/* We are root; set the effective, real, and saved to UID. */
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_hurd_id.gen.uids[0] = uid;
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_hurd_id.valid = 0;
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newgen = _hurd_id.gen.uids;
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ngen = _hurd_id.gen.nuids;
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if (_hurd_id.aux.nuids < 2)
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{
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newaux = auxbuf;
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naux = 2;
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}
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_hurd_id.aux.uids[0] = _hurd_id.aux.uids[1] = uid;
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}
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else
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{
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/* We are not root; just change the effective UID. */
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_hurd_id.gen.uids[0] = uid;
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_hurd_id.valid = 0;
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newgen = _hurd_id.gen.uids;
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ngen = _hurd_id.gen.nuids;
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}
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err = __USEPORT (AUTH, __auth_makeauth
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(port, NULL, MACH_MSG_TYPE_COPY_SEND, 0,
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newgen, 1 + _hurd_id.gen.nuids,
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newaux, _hurd_id.aux.nuids,
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newgen, ngen, newaux, naux,
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_hurd_id.gen.gids, _hurd_id.gen.ngids,
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_hurd_id.aux.gids, _hurd_id.aux.ngids,
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&newauth));
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