+++ /dev/null
-/*
- * Copyright (c) 1995-2007 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_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.
- *
- * 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
- * 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.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * Change Log:
- * Created February 20, 1995 by Tuyen Nguyen
- * Modified for MP, 1996 by Tuyen Nguyen
- * Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
- */
-#include <sys/errno.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <machine/spl.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc_internal.h> /* for p_fd in fdflags */
-#include <sys/filedesc.h>
-#include <sys/fcntl.h>
-#include <sys/mbuf.h>
-#include <sys/malloc.h>
-#include <sys/file_internal.h>
-#include <sys/socket.h>
-#include <sys/socketvar.h>
-#include <sys/sysproto.h>
-#include <sys/kdebug.h>
-#include <net/if_var.h>
-
-#include <netat/sysglue.h>
-#include <netat/appletalk.h>
-#include <netat/at_pcb.h>
-#include <netat/at_var.h>
-#include <netat/debug.h>
-
-int falloc_locked(proc_t, struct fileproc **, int *, vfs_context_t, int);
-
-extern at_ifaddr_t *ifID_home; /* default interface */
-extern lck_mtx_t * atalk_mutex;
-
-#define f_flag f_fglob->fg_flag
-#define f_type f_fglob->fg_type
-#define f_msgcount f_fglob->fg_msgcount
-#define f_cred f_fglob->fg_cred
-#define f_ops f_fglob->fg_ops
-#define f_offset f_fglob->fg_offset
-#define f_data f_fglob->fg_data
-
-
-int _ATkqfilter(struct fileproc *, struct knote *, vfs_context_t);
-int _ATselect(struct fileproc *, int, void *, vfs_context_t);
-int _ATioctl(struct fileproc *, u_long, caddr_t, vfs_context_t);
-int _ATwrite(struct fileproc *, struct uio *, int, vfs_context_t);
-int _ATread(struct fileproc *, struct uio *, int, vfs_context_t);
-int _ATclose(struct fileglob *, vfs_context_t);
-
-int ATsocket(proc, uap, retval)
- struct proc *proc;
- struct ATsocket_args *uap;
- int *retval;
-{
- int err;
- atalk_lock();
- if (1 /* _ATsocket*/) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval = _ATsocket((int)uap->proto, (int *)&err, (void *)proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATgetmsg(proc, uap, retval)
- struct proc *proc;
- struct ATgetmsg_args *uap;
- int *retval;
-{
- int err;
-
- atalk_lock();
- if (1 /* _ATgetmsg */) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- (*_ATgetmsg)(uap->fd, uap->ctlptr, uap->datptr,
- uap->flags, &err, proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATputmsg(proc, uap, retval)
- struct proc *proc;
- struct ATputmsg_args *uap;
- int *retval;
-{
- int err;
-
- atalk_lock();
- if (1 /* _ATputmsg */) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- _ATputmsg(uap->fd, uap->ctlptr, uap->datptr,
- uap->flags, &err, proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATPsndreq(proc, uap, retval)
- struct proc *proc;
- struct ATPsndreq_args *uap;
- int *retval;
-{
- int err;
-
- atalk_lock();
- if (1 /* _ATPsndreq */) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- _ATPsndreq(uap->fd, uap->buf, uap->len,
- uap->nowait, &err, proc);
- }
- } else {
- *retval = -1;
- err= ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATPsndrsp(proc, uap, retval)
- struct proc *proc;
- struct ATPsndrsp_args *uap;
- int *retval;
-{
- int err;
-
- atalk_lock();
- if (1 /*_ATPsndrsp*/) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- _ATPsndrsp(uap->fd, uap->respbuff,
- uap->resplen, uap->datalen, &err, proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATPgetreq(proc, uap, retval)
- struct proc *proc;
- struct ATPgetreq_args *uap;
- int *retval;
-{
- int err;
-
- atalk_lock();
- if (1 /* _ATPgetreq */) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- _ATPgetreq(uap->fd, uap->buf, uap->buflen,
- &err, proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int ATPgetrsp(proc, uap, retval)
- struct proc *proc;
- struct ATPgetrsp_args *uap;
- int *retval;
-{
- int err = 0;
-
- atalk_lock();
- if (1 /*_ATPgetrsp*/) {
- /* required check for all AppleTalk system calls */
- if (!(at_state.flags & AT_ST_STARTED) || !ifID_home) {
- *retval = -1;
- err = ENOTREADY;
- } else {
- *retval =
- _ATPgetrsp(uap->fd, (struct atpBDS *)uap->bdsp, &err, proc);
- }
- } else {
- *retval = -1;
- err = ENXIO;
- }
- atalk_unlock();
- return err;
-}
-
-int atalk_closeref(fg, grefp)
- struct fileglob *fg;
- gref_t **grefp;
-{
- if ((*grefp = (gref_t *)fg->fg_data)) {
- fg->fg_data = 0;
- return(0);
- }
- return(EBADF);
-}
-
-int atalk_openref(gref, retfd, proc)
- gref_t *gref;
- int *retfd;
- struct proc *proc;
-{
- static struct fileops fileops =
- {_ATread, _ATwrite, _ATioctl, _ATselect, _ATclose, _ATkqfilter, 0};
- int err, fd;
- struct fileproc *fp;
-
- lck_mtx_assert(atalk_mutex, LCK_MTX_ASSERT_OWNED);
-
- proc_fdlock(proc);
- if ((err = falloc_locked(proc, &fp, &fd, vfs_context_current(), 1)) != 0) {
- proc_fdunlock(proc);
- return err;
- }
-
- fp->f_flag = FREAD|FWRITE;
- /*##### LD 5/7/96 Warning: we don't have a "DTYPE_OTHER" for
- * MacOSX, so defines DTYPE_ATALK as DTYPE_SOCKET...
- */
- fp->f_type = DTYPE_ATALK+1;
- fp->f_ops = &fileops;
- fp->f_data = (void *)gref;
-
- procfdtbl_releasefd(proc, fd, NULL);
- *retfd = fd;
- fp_drop(proc, fd, fp, 1);
- proc_fdunlock(proc);
-/*
- kprintf("atalk_openref: fp = 0x%x, gref = 0x%x\n", (u_int)fp, (u_int)gref);
-*/
- return 0;
-}
-
-/*
- * go from file descriptor to gref, which has been saved in fp->f_data
- *
- * This routine returns with an iocount on the fileproc when the fp is null
- * as it converts fd to fileproc. Callers of this api who pass fp as null
- * need to drop the iocount when they are done with the fp
- */
-int atalk_getref(fp, fd, grefp, proc, droponerr)
-struct fileproc *fp;
-int fd;
-gref_t **grefp;
-struct proc *proc;
-int droponerr;
-{
- int error;
-
- proc_fdlock(proc);
- error = atalk_getref_locked(fp, fd, grefp, proc, droponerr);
- proc_fdunlock(proc);
- return error;
-}
-
-int atalk_getref_locked(fp, fd, grefp, proc, droponerr)
-struct fileproc *fp;
-int fd;
-gref_t **grefp;
-struct proc *proc;
-int droponerr;
-{
- lck_mtx_assert(atalk_mutex, LCK_MTX_ASSERT_OWNED);
- if (fp == 0) {
- int error = fp_lookup(proc, fd, &fp, 1);
-
- if (error) {
-
- *grefp = (gref_t *) 0;
- return EBADF;
- }
- }
- *grefp = (gref_t *)fp->f_data;
- if (fp->f_type != (DTYPE_ATALK+1) || *grefp == 0 || *grefp == (gref_t *)(-1)) {
- if (droponerr)
- fp_drop(proc, fd, fp, 1);
- printf("atalk_getref_locked EBADF f_data: %p\n", fp->f_data);
- return EBADF;
- }
-
- if ((*grefp)->errno) {
- if (droponerr)
- fp_drop(proc, fd, fp, 1);
- return (int)(*grefp)->errno;
- }
- return 0;
-}
projects / apple / xnu.git / blobdiff