/*
* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
#include <pexpert/pexpert.h>
#include <machine/machine_routines.h>
-#include <machine/exec.h>
#include <vm/vm_protos.h>
-#ifdef __i386__
-#include <i386/cpuid.h>
-#endif
-
sysctlfn kern_sysctl;
#ifdef DEBUG
sysctlfn debug_sysctl;
extern int aio_max_requests;
extern int aio_max_requests_per_process;
extern int aio_worker_threads;
+extern int maxprocperuid;
extern int maxfilesperproc;
extern int lowpri_IO_window_msecs;
extern int lowpri_IO_delay_msecs;
-extern int nx_enabled;
static void
fill_eproc(struct proc *p, struct eproc *ep);
if (uap->new != USER_ADDR_NULL
&& ((name[0] == CTL_KERN
&& !(name[1] == KERN_IPC || name[1] == KERN_PANICINFO || name[1] == KERN_PROCDELAYTERM ||
- name[1] == KERN_PROC_LOW_PRI_IO || name[1] == KERN_PROCNAME || name[1] == KERN_THALTSTACK))
+ name[1] == KERN_PROC_LOW_PRI_IO))
|| (name[0] == CTL_HW)
|| (name[0] == CTL_VM)
|| (name[0] == CTL_VFS))
/*
* Attributes stored in the kernel.
*/
+extern char classichandler[32];
+extern uint32_t classichandler_fsid;
+extern long classichandler_fileid;
__private_extern__ char corefilename[MAXPATHLEN+1];
__private_extern__ int do_coredump;
__private_extern__ int sugid_coredump;
return (ENOTSUP);
}
-
static int
-sysctl_translate(
+sysctl_classic(
int *name,
u_int namelen,
user_addr_t oldBuf,
return (EPERM);
return sysctl_rdint(oldBuf, oldSize, newBuf,
- (p->p_flag & P_TRANSLATED) ? 1 : 0);
-}
-
-int
-set_archhandler(struct proc *p, int arch)
-{
- int error;
- struct nameidata nd;
- struct vnode_attr va;
- struct vfs_context context;
- char *archhandler;
-
- switch(arch) {
- case CPU_TYPE_POWERPC:
- archhandler = exec_archhandler_ppc.path;
- break;
- default:
- return (EBADARCH);
- }
-
- context.vc_proc = p;
- context.vc_ucred = kauth_cred_get();
-
- NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE32,
- CAST_USER_ADDR_T(archhandler), &context);
- error = namei(&nd);
- if (error)
- return (error);
- nameidone(&nd);
-
- /* Check mount point */
- if ((nd.ni_vp->v_mount->mnt_flag & MNT_NOEXEC) ||
- (nd.ni_vp->v_type != VREG)) {
- vnode_put(nd.ni_vp);
- return (EACCES);
- }
-
- VATTR_INIT(&va);
- VATTR_WANTED(&va, va_fsid);
- VATTR_WANTED(&va, va_fileid);
- error = vnode_getattr(nd.ni_vp, &va, &context);
- if (error) {
- vnode_put(nd.ni_vp);
- return (error);
- }
- vnode_put(nd.ni_vp);
-
- exec_archhandler_ppc.fsid = va.va_fsid;
- exec_archhandler_ppc.fileid = (u_long)va.va_fileid;
- return 0;
+ (p->p_flag & P_CLASSIC) ? 1 : 0);
}
static int
-sysctl_exec_archhandler_ppc(
+sysctl_classichandler(
__unused int *name,
__unused u_int namelen,
user_addr_t oldBuf,
size_t len;
struct nameidata nd;
struct vnode_attr va;
- char handler[sizeof(exec_archhandler_ppc.path)];
+ char handler[sizeof(classichandler)];
struct vfs_context context;
context.vc_proc = p;
context.vc_ucred = kauth_cred_get();
if (oldSize) {
- len = strlen(exec_archhandler_ppc.path) + 1;
+ len = strlen(classichandler) + 1;
if (oldBuf) {
if (*oldSize < len)
return (ENOMEM);
- error = copyout(exec_archhandler_ppc.path, oldBuf, len);
+ error = copyout(classichandler, oldBuf, len);
if (error)
return (error);
}
error = suser(context.vc_ucred, &p->p_acflag);
if (error)
return (error);
- if (newSize >= sizeof(exec_archhandler_ppc.path))
+ if (newSize >= sizeof(classichandler))
return (ENAMETOOLONG);
error = copyin(newBuf, handler, newSize);
if (error)
return (error);
handler[newSize] = 0;
- strcpy(exec_archhandler_ppc.path, handler);
- error = set_archhandler(p, CPU_TYPE_POWERPC);
+
+ NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE32,
+ CAST_USER_ADDR_T(handler), &context);
+ error = namei(&nd);
if (error)
return (error);
+ nameidone(&nd);
+
+ /* Check mount point */
+ if ((nd.ni_vp->v_mount->mnt_flag & MNT_NOEXEC) ||
+ (nd.ni_vp->v_type != VREG)) {
+ vnode_put(nd.ni_vp);
+ return (EACCES);
+ }
+
+ VATTR_INIT(&va);
+ VATTR_WANTED(&va, va_fsid);
+ VATTR_WANTED(&va, va_fileid);
+ error = vnode_getattr(nd.ni_vp, &va, &context);
+ if (error) {
+ vnode_put(nd.ni_vp);
+ return (error);
+ }
+ vnode_put(nd.ni_vp);
+
+ classichandler_fsid = va.va_fsid;
+ classichandler_fileid = (u_long)va.va_fileid;
+ strcpy(classichandler, handler);
}
return 0;
}
-SYSCTL_NODE(_kern, KERN_EXEC, exec, CTLFLAG_RD, 0, "");
-
-SYSCTL_NODE(_kern_exec, OID_AUTO, archhandler, CTLFLAG_RD, 0, "");
-
-SYSCTL_STRING(_kern_exec_archhandler, OID_AUTO, powerpc, CTLFLAG_RD,
- exec_archhandler_ppc.path, 0, "");
extern int get_kernel_symfile( struct proc *, char **);
__private_extern__ int
|| name[0] == KERN_IPC
|| name[0] == KERN_SYSV
|| name[0] == KERN_AFFINITY
- || name[0] == KERN_TRANSLATE
- || name[0] == KERN_EXEC
+ || name[0] == KERN_CLASSIC
|| name[0] == KERN_PANICINFO
- || name[0] == KERN_POSIX
- || name[0] == KERN_TFP)
+ || name[0] == KERN_POSIX)
)
return (ENOTDIR); /* overloaded */
case KERN_AFFINITY:
return sysctl_affinity(name+1, namelen-1, oldp, oldlenp,
newp, newlen, p);
- case KERN_TRANSLATE:
- return sysctl_translate(name+1, namelen-1, oldp, oldlenp, newp,
- newlen, p);
+ case KERN_CLASSIC:
+ return sysctl_classic(name+1, namelen-1, oldp, oldlenp,
+ newp, newlen, p);
case KERN_CLASSICHANDLER:
- return sysctl_exec_archhandler_ppc(name+1, namelen-1, oldp,
- oldlenp, newp, newlen, p);
+ return sysctl_classichandler(name+1, namelen-1, oldp, oldlenp,
+ newp, newlen, p);
case KERN_AIOMAX:
return( sysctl_aiomax( oldp, oldlenp, newp, newlen ) );
case KERN_AIOPROCMAX:
}
return(error);
}
- case KERN_NX_PROTECTION:
- {
- int old_value, new_value;
-
- error = 0;
- if (oldp && *oldlenp < sizeof(old_value) )
- return (ENOMEM);
- if ( newp && newlen != sizeof(new_value) )
- return(EINVAL);
- *oldlenp = sizeof(old_value);
-
- old_value = nx_enabled;
-
- if (oldp && (error = copyout( &old_value, oldp, *oldlenp)))
- return(error);
-#ifdef __i386__
- /*
- * Only allow setting if NX is supported on the chip
- */
- if (cpuid_extfeatures() & CPUID_EXTFEATURE_XD) {
-#endif
- if (error == 0 && newp)
- error = copyin(newp, &new_value,
- sizeof(newlen));
- if (error == 0 && newp)
- nx_enabled = new_value;
-#ifdef __i386__
- } else if (newp) {
- error = ENOTSUP;
- }
-#endif
- return(error);
- }
case KERN_SHREG_PRIVATIZABLE:
/* this kernel does implement shared_region_make_private_np() */
return (sysctl_rdint(oldp, oldlenp, newp, 1));
- case KERN_PROCNAME:
- error = sysctl_trstring(oldp, oldlenp, newp, newlen,
- &p->p_name[0], (2*MAXCOMLEN+1));
- return (error);
- case KERN_THALTSTACK:
- {
- int old_value, new_value;
-
- error = 0;
- if (oldp && *oldlenp < sizeof(int))
- return (ENOMEM);
- if ( newp && newlen != sizeof(int) )
- return(EINVAL);
- *oldlenp = sizeof(int);
- old_value = (p->p_lflag & P_LTHSIGSTACK)? 1: 0;
- if (oldp && (error = copyout( &old_value, oldp, sizeof(int))))
- return(error);
- if (error == 0 && newp )
- error = copyin( newp, &new_value, sizeof(int) );
- if (error == 0 && newp) {
- if (new_value) {
- /* we cannot swich midstream if inuse */
- if ((p->p_sigacts->ps_flags & SAS_ALTSTACK) == SAS_ALTSTACK)
- return(EPERM);
- p->p_lflag |= P_LTHSIGSTACK;
- } else {
- /* we cannot swich midstream */
- if ((p->p_lflag & P_LTHSIGSTACK) == P_LTHSIGSTACK)
- return(EPERM);
- p->p_lflag &= ~P_LTHSIGSTACK;
- }
- }
- return(error);
- }
default:
return (ENOTSUP);
}
return( error );
} /* sysctl_maxproc */
-
-#if __i386__
-static int
-sysctl_sysctl_exec_affinity SYSCTL_HANDLER_ARGS
-{
- struct proc *cur_proc = req->p;
- int error;
-
- if (req->oldptr != USER_ADDR_NULL) {
- cpu_type_t oldcputype = (cur_proc->p_flag & P_AFFINITY) ? CPU_TYPE_POWERPC : CPU_TYPE_I386;
- if ((error = SYSCTL_OUT(req, &oldcputype, sizeof(oldcputype))))
- return error;
- }
-
- if (req->newptr != USER_ADDR_NULL) {
- cpu_type_t newcputype;
- if ((error = SYSCTL_IN(req, &newcputype, sizeof(newcputype))))
- return error;
- if (newcputype == CPU_TYPE_I386)
- cur_proc->p_flag &= ~P_AFFINITY;
- else if (newcputype == CPU_TYPE_POWERPC)
- cur_proc->p_flag |= P_AFFINITY;
- else
- return (EINVAL);
- }
-
- return 0;
-}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_exec_affinity, CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 0, 0, sysctl_sysctl_exec_affinity ,"I","proc_exec_affinity");
-#endif
-
-static int
-fetch_process_cputype(
- struct proc *cur_proc,
- int *name,
- u_int namelen,
- cpu_type_t *cputype)
-{
- struct proc *p = NULL;
- cpu_type_t ret = 0;
-
- if (namelen == 0)
- p = cur_proc;
- else if (namelen == 1) {
- p = pfind(name[0]);
- if (p == NULL)
- return (EINVAL);
- if ((kauth_cred_getuid(p->p_ucred) != kauth_cred_getuid(kauth_cred_get()))
- && suser(kauth_cred_get(), &cur_proc->p_acflag))
- return (EPERM);
- } else {
- return EINVAL;
- }
-
-#if __i386__
- if (p->p_flag & P_TRANSLATED) {
- ret = CPU_TYPE_POWERPC;
- }
- else
-#endif
- {
- ret = cpu_type();
- if (IS_64BIT_PROCESS(p))
- ret |= CPU_ARCH_ABI64;
- }
- *cputype = ret;
-
- return 0;
-}
-
-static int
-sysctl_sysctl_native SYSCTL_HANDLER_ARGS
-{
- int error;
- cpu_type_t proc_cputype = 0;
- if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
- return error;
- int res = 1;
- if ((proc_cputype & ~CPU_ARCH_MASK) != (cpu_type() & ~CPU_ARCH_MASK))
- res = 0;
- return SYSCTL_OUT(req, &res, sizeof(res));
-}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_native, CTLTYPE_NODE|CTLFLAG_RD, 0, 0, sysctl_sysctl_native ,"I","proc_native");
-
-static int
-sysctl_sysctl_cputype SYSCTL_HANDLER_ARGS
-{
- int error;
- cpu_type_t proc_cputype = 0;
- if ((error = fetch_process_cputype(req->p, (int *)arg1, arg2, &proc_cputype)) != 0)
- return error;
- return SYSCTL_OUT(req, &proc_cputype, sizeof(proc_cputype));
-}
-SYSCTL_PROC(_sysctl, OID_AUTO, proc_cputype, CTLTYPE_NODE|CTLFLAG_RD, 0, 0, sysctl_sysctl_cputype ,"I","proc_cputype");
-
projects / apple / xnu.git / blobdiff