1 files changed, 0 insertions, 284 deletions

diff --git a/sys/miscfs/procfs/procfs_subr.c b/sys/miscfs/procfs/procfs_subr.c
deleted file mode 100644
index b6b616cf144..00000000000
--- a/sys/miscfs/procfs/procfs_subr.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*	$OpenBSD: procfs_subr.c,v 1.36 2014/07/12 18:43:52 tedu Exp $	*/
-/*	$NetBSD: procfs_subr.c,v 1.15 1996/02/12 15:01:42 christos Exp $	*/
-
-/*
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)procfs_subr.c	8.5 (Berkeley) 6/15/94
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/time.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/vnode.h>
-#include <sys/malloc.h>
-#include <sys/rwlock.h>
-#include <sys/stat.h>
-#include <sys/ptrace.h>
-
-#include <miscfs/procfs/procfs.h>
-
-static TAILQ_HEAD(, pfsnode)	pfshead;
-struct rwlock pfs_vlock = RWLOCK_INITIALIZER("procfsl");
-
-/*ARGSUSED*/
-int
-procfs_init(struct vfsconf *vfsp)
-{
-	TAILQ_INIT(&pfshead);
-	return (0);
-}
-
-/*
- * allocate a pfsnode/vnode pair.  the vnode is
- * referenced, but not locked.
- *
- * the pid, pfs_type, and mount point uniquely
- * identify a pfsnode.  the mount point is needed
- * because someone might mount this filesystem
- * twice.
- *
- * all pfsnodes are maintained on a singly-linked
- * list.  new nodes are only allocated when they cannot
- * be found on this list.  entries on the list are
- * removed when the vfs reclaim entry is called.
- *
- * a single lock is kept for the entire list.  this is
- * needed because the getnewvnode() function can block
- * waiting for a vnode to become free, in which case there
- * may be more than one process trying to get the same
- * vnode.  this lock is only taken if we are going to
- * call getnewvnode, since the kernel itself is single-threaded.
- *
- * if an entry is found on the list, then call vget() to
- * take a reference.  this is done because there may be
- * zero references to it and so it needs to removed from
- * the vnode free list.
- */
-int
-procfs_allocvp(struct mount *mp, struct vnode **vpp, pid_t pid, pfstype pfs_type)
-{
-	struct proc *p = curproc;
-	struct pfsnode *pfs;
-	struct vnode *vp;
-	int error = 0;
-
-	/*
-	 * Lock the vp list, getnewvnode can sleep.
-	 */
-	rw_enter_write(&pfs_vlock);
-loop:
-	TAILQ_FOREACH(pfs, &pfshead, list) {
-		vp = PFSTOV(pfs);
-		if (pfs->pfs_pid == pid &&
-		    pfs->pfs_type == pfs_type &&
-		    vp->v_mount == mp) {
-			if (vget(vp, 0, p))
-				goto loop;
-			*vpp = vp;
-			goto out;
-		}
-	}
-
-	if ((error = getnewvnode(VT_PROCFS, mp, &procfs_vops, vpp)) != 0)
-		goto out;
-	vp = *vpp;
-
-	pfs = malloc(sizeof(*pfs), M_TEMP, M_WAITOK);
-	vp->v_data = pfs;
-
-	pfs->pfs_pid = pid;
-	pfs->pfs_type = pfs_type;
-	pfs->pfs_vnode = vp;
-	pfs->pfs_flags = 0;
-	pfs->pfs_fileno = PROCFS_FILENO(pid, pfs_type);
-
-	switch (pfs_type) {
-	case Proot:	/* /proc = dr-xr-xr-x */
-		pfs->pfs_mode = S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH;
-		vp->v_type = VDIR;
-		vp->v_flag = VROOT;
-		break;
-
-	case Pcurproc:	/* /proc/curproc = lr--r--r-- */
-	case Pself:	/* /proc/self = lr--r--r-- */
-		pfs->pfs_mode = S_IRUSR|S_IRGRP|S_IROTH;
-		vp->v_type = VLNK;
-		break;
-
-	case Pproc:	/* /proc/N = dr-xr-xr-x */
-		pfs->pfs_mode = S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH;
-		vp->v_type = VDIR;
-		break;
-
-	case Pfile:	/* /proc/N/file = -rw------- */
-	case Pmem:	/* /proc/N/mem = -rw------- */
-	case Pregs:	/* /proc/N/regs = -rw------- */
-	case Pfpregs:	/* /proc/N/fpregs = -rw------- */
-		pfs->pfs_mode = S_IRUSR|S_IWUSR;
-		vp->v_type = VREG;
-		break;
-
-	case Pctl:	/* /proc/N/ctl = --w------ */
-	case Pnote:	/* /proc/N/note = --w------ */
-	case Pnotepg:	/* /proc/N/notepg = --w------ */
-		pfs->pfs_mode = S_IWUSR;
-		vp->v_type = VREG;
-		break;
-
-	case Pstatus:	/* /proc/N/status = -r--r--r-- */
-	case Pcmdline:	/* /proc/N/cmdline = -r--r--r-- */
-	case Pmeminfo:	/* /proc/meminfo = -r--r--r-- */
-	case Pcpuinfo:	/* /proc/cpuinfo = -r--r--r-- */
-		pfs->pfs_mode = S_IRUSR|S_IRGRP|S_IROTH;
-		vp->v_type = VREG;
-		break;
-
-	default:
-		panic("procfs_allocvp");
-	}
-
-	/* add to procfs vnode list */
-	TAILQ_INSERT_TAIL(&pfshead, pfs, list);
-	uvm_vnp_setsize(vp, 0);
-out:
-	rw_exit_write(&pfs_vlock);
-
-	return (error);
-}
-
-int
-procfs_freevp(struct vnode *vp)
-{
-	struct pfsnode *pfs = VTOPFS(vp);
-
-	TAILQ_REMOVE(&pfshead, pfs, list);
-	free(vp->v_data, M_TEMP, 0);
-	vp->v_data = 0;
-	return (0);
-}
-
-int
-procfs_rw(void *v)
-{
-	struct vop_read_args *ap = v;
-	struct vnode *vp = ap->a_vp;
-	struct uio *uio = ap->a_uio;
-	struct proc *curp = uio->uio_procp;
-	struct pfsnode *pfs = VTOPFS(vp);
-	struct proc *p;
-
-	p = pfind(pfs->pfs_pid);
-	if (p == 0 || (p->p_flag & P_THREAD))
-		return (EINVAL);
-	/* Do not permit games to be played with init(8) */
-	if (p->p_pid == 1 && securelevel > 0 && uio->uio_rw == UIO_WRITE)
-		return (EPERM);
-	if (uio->uio_offset < 0)
-		return (EINVAL);
-
-	switch (pfs->pfs_type) {
-	case Pstatus:
-		return (procfs_dostatus(curp, p, pfs, uio));
-
-	case Pmem:
-		return (process_domem(curp, p, uio, PT_WRITE_I));
-
-	case Pcmdline:
-		return (procfs_docmdline(curp, p, pfs, uio));
-
-	case Pmeminfo:
-		return (procfs_domeminfo(curp, p, pfs, uio));
-
-	case Pcpuinfo:
-		return (procfs_docpuinfo(curp, p, pfs, uio));
-
-	default:
-		return (EOPNOTSUPP);
-	}
-}
-
-/*
- * Get a string from userland into (buf).  Strip a trailing
- * nl character (to allow easy access from the shell).
- * The buffer should be *buflenp + 1 chars long.  vfs_getuserstr
- * will automatically add a nul char at the end.
- *
- * Returns 0 on success or the following errors
- *
- * EINVAL:    file offset is non-zero.
- * EMSGSIZE:  message is longer than kernel buffer
- * EFAULT:    user i/o buffer is not addressable
- */
-int
-vfs_getuserstr(struct uio *uio, char *buf, int *buflenp)
-{
-	int xlen;
-	int error;
-
-	if (uio->uio_offset != 0)
-		return (EINVAL);
-
-	xlen = *buflenp;
-
-	/* must be able to read the whole string in one go */
-	if (xlen < uio->uio_resid)
-		return (EMSGSIZE);
-	xlen = uio->uio_resid;
-
-	if ((error = uiomove(buf, xlen, uio)) != 0)
-		return (error);
-
-	/* allow multiple writes without seeks */
-	uio->uio_offset = 0;
-
-	/* cleanup string and remove trailing newline */
-	buf[xlen] = '\0';
-	xlen = strlen(buf);
-	if (xlen > 0 && buf[xlen-1] == '\n')
-		buf[--xlen] = '\0';
-	*buflenp = xlen;
-
-	return (0);
-}
-
-const vfs_namemap_t *
-vfs_findname(const vfs_namemap_t *nm, char *buf, int buflen)
-{
-	for (; nm->nm_name; nm++)
-		if (bcmp(buf, nm->nm_name, buflen + 1) == 0)
-			return (nm);
-
-	return (0);
-}