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Reimplement linux_sys_setresgid() in terms of do_setresgid()

This commit is contained in:
dsl 2003-03-05 18:46:11 +00:00
parent eabc565aaf
commit dfdb668a2e
1 changed files with 7 additions and 51 deletions
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58
sys/compat/linux/common/linux_misc_notalpha.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_misc_notalpha.c,v 1.66 2003/02/23 23:36:35 enami Exp $ */
/* $NetBSD: linux_misc_notalpha.c,v 1.67 2003/03/05 18:46:11 dsl Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_misc_notalpha.c,v 1.66 2003/02/23 23:36:35 enami Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux_misc_notalpha.c,v 1.67 2003/03/05 18:46:11 dsl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -339,61 +339,17 @@ linux_sys_setresgid(l, v, retval)
syscallarg(gid_t) egid;
syscallarg(gid_t) sgid;
} */ *uap = v;
struct proc *p = l->l_proc;
struct pcred *pc = p->p_cred;
gid_t rgid, egid, sgid;
int error;
rgid = SCARG(uap, rgid);
egid = SCARG(uap, egid);
sgid = SCARG(uap, sgid);
/*
* Note: These checks are a little different than the NetBSD
* setregid(2) call performs. This precisely follows the
* behavior of the Linux kernel.
*/
if (rgid != (gid_t)-1 &&
rgid != pc->p_rgid &&
rgid != pc->pc_ucred->cr_gid &&
rgid != pc->p_svgid &&
(error = suser(pc->pc_ucred, &p->p_acflag)))
return (error);
if (egid != (gid_t)-1 &&
egid != pc->p_rgid &&
egid != pc->pc_ucred->cr_gid &&
egid != pc->p_svgid &&
(error = suser(pc->pc_ucred, &p->p_acflag)))
return (error);
if (sgid != (gid_t)-1 &&
sgid != pc->p_rgid &&
sgid != pc->pc_ucred->cr_gid &&
sgid != pc->p_svgid &&
(error = suser(pc->pc_ucred, &p->p_acflag)))
return (error);
/*
* Now assign the real, effective, and saved GIDs.
* Note that Linux, unlike NetBSD in setregid(2), does not
* set the saved UID in this call unless the user specifies
* it.
*/
if (rgid != (gid_t)-1)
pc->p_rgid = rgid;
if (egid != (gid_t)-1) {
pc->pc_ucred = crcopy(pc->pc_ucred);
pc->pc_ucred->cr_gid = egid;
}
if (sgid != (gid_t)-1)
pc->p_svgid = sgid;
if (rgid != (gid_t)-1 && egid != (gid_t)-1 && sgid != (gid_t)-1)
p->p_flag |= P_SUGID;
return (0);
return do_setresgid(l, SCARG(uap,rgid), SCARG(uap, egid),
SCARG(uap, sgid),
ID_R_EQ_R | ID_R_EQ_E | ID_R_EQ_S |
ID_E_EQ_R | ID_E_EQ_E | ID_E_EQ_S |
ID_S_EQ_R | ID_S_EQ_E | ID_S_EQ_S );
}
int