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-rw-r--r--lib/libkvm/kvm_file.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/lib/libkvm/kvm_file.c b/lib/libkvm/kvm_file.c
deleted file mode 100644
index 12fe6da..0000000
--- a/lib/libkvm/kvm_file.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/*-
- * Copyright (c) 1989, 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * 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.
- * 4. 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)kvm_file.c 8.1 (Berkeley) 6/4/93";
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-/*
- * File list interface for kvm. pstat, fstat and netstat are
- * users of this code, so we've factored it out into a separate module.
- * Thus, we keep this grunge out of the other kvm applications (i.e.,
- * most other applications are interested only in open/close/read/nlist).
- */
-
-#include <sys/param.h>
-#include <sys/user.h>
-#include <sys/proc.h>
-#define _WANT_FILE /* make file.h give us 'struct file' */
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <nlist.h>
-#include <kvm.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-
-#include <sys/sysctl.h>
-
-#include <limits.h>
-#include <ndbm.h>
-#include <paths.h>
-#include <stdlib.h>
-
-#include "kvm_private.h"
-
-#define KREAD(kd, addr, obj) \
- (kvm_read(kd, addr, obj, sizeof(*obj)) != sizeof(*obj))
-
-#define KREADN(kd, addr, obj, cnt) \
- (kvm_read(kd, addr, obj, (cnt)) != (ssize_t)(cnt))
-
-/*
- * Get file structures.
- */
-static int
-kvm_deadfiles(kvm_t *kd, int op __unused, int arg __unused, long allproc_o,
- int nprocs __unused)
-{
- struct proc proc;
- struct filedesc filed;
- int buflen = kd->arglen, ocnt = 0, n = 0, once = 0, i;
- struct file **ofiles;
- struct file *fp;
- struct proc *p;
- char *where = kd->argspc;
-
- if (buflen < (int)(sizeof(struct file *) + sizeof(struct file)))
- return (0);
- if (KREAD(kd, allproc_o, &p)) {
- _kvm_err(kd, kd->program, "cannot read allproc");
- return (0);
- }
- for (; p != NULL; p = LIST_NEXT(&proc, p_list)) {
- if (KREAD(kd, (u_long)p, &proc)) {
- _kvm_err(kd, kd->program, "can't read proc at %p", p);
- goto fail;
- }
- if (proc.p_state == PRS_NEW)
- continue;
- if (proc.p_fd == NULL)
- continue;
- if (KREAD(kd, (u_long)p->p_fd, &filed)) {
- _kvm_err(kd, kd->program, "can't read filedesc at %p",
- p->p_fd);
- goto fail;
- }
- if (filed.fd_lastfile + 1 > ocnt) {
- ocnt = filed.fd_lastfile + 1;
- free(ofiles);
- ofiles = (struct file **)_kvm_malloc(kd,
- ocnt * sizeof(struct file *));
- if (ofiles == 0)
- return (0);
- }
- if (KREADN(kd, (u_long)filed.fd_ofiles, ofiles,
- ocnt * sizeof(struct file *))) {
- _kvm_err(kd, kd->program, "can't read ofiles at %p",
- filed.fd_ofiles);
- return (0);
- }
- for (i = 0; i <= filed.fd_lastfile; i++) {
- if ((fp = ofiles[i]) == NULL)
- continue;
- /*
- * copyout filehead (legacy)
- */
- if (!once) {
- *(struct file **)kd->argspc = fp;
- *(struct file **)where = fp;
- buflen -= sizeof (fp);
- where += sizeof (fp);
- once = 1;
- }
- if (buflen < (int)sizeof(struct file))
- goto fail;
- if (KREAD(kd, (long)fp, ((struct file *)where))) {
- _kvm_err(kd, kd->program, "can't read kfp");
- goto fail;
- }
- buflen -= sizeof (struct file);
- fp = (struct file *)where;
- where += sizeof (struct file);
- n++;
- }
- }
- free(ofiles);
- return (n);
-fail:
- free(ofiles);
- return (0);
-
-}
-
-char *
-kvm_getfiles(kvm_t *kd, int op, int arg, int *cnt)
-{
- int mib[2], st, n, nfiles, nprocs;
- size_t size;
-
- _kvm_syserr(kd, kd->program, "kvm_getfiles has been broken for years");
- return (0);
- if (ISALIVE(kd)) {
- size = 0;
- mib[0] = CTL_KERN;
- mib[1] = KERN_FILE;
- st = sysctl(mib, 2, NULL, &size, NULL, 0);
- if (st == -1) {
- _kvm_syserr(kd, kd->program, "kvm_getfiles");
- return (0);
- }
- if (kd->argspc == 0)
- kd->argspc = (char *)_kvm_malloc(kd, size);
- else if (kd->arglen < (int)size)
- kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
- if (kd->argspc == 0)
- return (0);
- kd->arglen = size;
- st = sysctl(mib, 2, kd->argspc, &size, NULL, 0);
- if (st != 0) {
- _kvm_syserr(kd, kd->program, "kvm_getfiles");
- return (0);
- }
- nfiles = size / sizeof(struct xfile);
- } else {
- struct nlist nl[4], *p;
-
- nl[0].n_name = "_allproc";
- nl[1].n_name = "_nprocs";
- nl[2].n_name = "_nfiles";
- nl[3].n_name = 0;
-
- if (kvm_nlist(kd, nl) != 0) {
- for (p = nl; p->n_type != 0; ++p)
- ;
- _kvm_err(kd, kd->program,
- "%s: no such symbol", p->n_name);
- return (0);
- }
- if (KREAD(kd, nl[1].n_value, &nprocs)) {
- _kvm_err(kd, kd->program, "can't read nprocs");
- return (0);
- }
- if (KREAD(kd, nl[2].n_value, &nfiles)) {
- _kvm_err(kd, kd->program, "can't read nfiles");
- return (0);
- }
- size = sizeof(void *) + (nfiles + 10) * sizeof(struct file);
- if (kd->argspc == 0)
- kd->argspc = (char *)_kvm_malloc(kd, size);
- else if (kd->arglen < (int)size)
- kd->argspc = (char *)_kvm_realloc(kd, kd->argspc, size);
- if (kd->argspc == 0)
- return (0);
- kd->arglen = size;
- n = kvm_deadfiles(kd, op, arg, nl[0].n_value, nprocs);
- if (n != nfiles) {
- _kvm_err(kd, kd->program, "inconsistant nfiles");
- return (0);
- }
- nfiles = n;
- }
- *cnt = nfiles;
- return (kd->argspc);
-}
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