*/
#include <afsconfig.h>
-#include "../afs/param.h"
+#include "afs/param.h"
-RCSID("$Header$");
-#include "../afs/sysincludes.h"
-#include "../afs/afsincludes.h"
+#include "afs/sysincludes.h"
+#include "afsincludes.h"
#include <sys/namei.h>
-int osi_lookupname(char *aname, enum uio_seg seg, int followlink,
- struct vnode **dirvpp, struct vnode **vpp)
+#ifndef PATHBUFLEN
+#define PATHBUFLEN 256
+#endif
+
+#ifdef AFS_DARWIN80_ENV
+static thread_t vfs_context_owner;
+
+/* works like PFlushVolumeData */
+void
+darwin_notify_perms(struct unixuser *auser, int event)
{
- struct nameidata n;
- int flags,error;
- flags=0;
- flags=LOCKLEAF;
- if (followlink)
- flags|=FOLLOW;
- else
- flags|=NOFOLLOW;
-/* if (dirvpp) flags|=WANTPARENT;*/ /* XXX LOCKPARENT? */
- NDINIT(&n, LOOKUP, flags, seg, aname, current_proc());
- if (error=namei(&n))
- return error;
- *vpp=n.ni_vp;
-/*
- if (dirvpp)
- *dirvpp = n.ni_dvp;
-#/
+ int i;
+ struct afs_q *tq, *uq = NULL;
+ struct vcache *tvc, *hnext;
+ int isglock = ISAFS_GLOCK();
+ struct vnode *vp;
+ struct vnode_attr va;
+ int isctxtowner = 0;
+
+ if (!afs_darwin_fsevents)
+ return;
+
+ VATTR_INIT(&va);
+ VATTR_SET(&va, va_mode, 0777);
+ if (event & UTokensObtained)
+ VATTR_SET(&va, va_uid, auser->uid);
+ else
+ VATTR_SET(&va, va_uid, -2); /* nobody */
+
+ if (!isglock)
+ AFS_GLOCK();
+ if (!(vfs_context_owner == current_thread())) {
+ get_vfs_context();
+ isctxtowner = 1;
+ }
+loop:
+ ObtainReadLock(&afs_xvcache);
+ for (i = 0; i < VCSIZE; i++) {
+ for (tq = afs_vhashTV[i].prev; tq != &afs_vhashTV[i]; tq = uq) {
+ uq = QPrev(tq);
+ tvc = QTOVH(tq);
+ if (tvc->f.states & CDeadVnode) {
+ /* we can afford to be best-effort */
+ continue;
+ }
+ /* no per-file acls, so only notify on directories */
+ if (!(vp = AFSTOV(tvc)) || !vnode_isdir(AFSTOV(tvc)))
+ continue;
+ /* dynroot object. no callbacks. anonymous ACL. just no. */
+ if (afs_IsDynrootFid(&tvc->f.fid))
+ continue;
+ /* no fake fsevents on mount point sources. leaks refs */
+ if (tvc->mvstat == 1)
+ continue;
+ /* if it's being reclaimed, just pass */
+ if (vnode_get(vp))
+ continue;
+ if (vnode_ref(vp)) {
+ AFS_GUNLOCK();
+ vnode_put(vp);
+ AFS_GLOCK();
+ continue;
+ }
+ ReleaseReadLock(&afs_xvcache);
+ /* Avoid potentially re-entering on this lock */
+ if (0 == NBObtainWriteLock(&tvc->lock, 234)) {
+ tvc->f.states |= CEvent;
+ AFS_GUNLOCK();
+ vnode_setattr(vp, &va, afs_osi_ctxtp);
+ tvc->f.states &= ~CEvent;
+ vnode_put(vp);
+ AFS_GLOCK();
+ ReleaseWriteLock(&tvc->lock);
+ }
+ ObtainReadLock(&afs_xvcache);
+ /* our tvc ptr is still good until now */
+ AFS_FAST_RELE(tvc);
+ }
+ }
+ ReleaseReadLock(&afs_xvcache);
+ if (isctxtowner)
+ put_vfs_context();
+ if (!isglock)
+ AFS_GUNLOCK();
+}
+
+int
+osi_lookupname_user(user_addr_t aname, enum uio_seg seg, int followlink,
+ struct vnode **vpp) {
+ char tname[PATHBUFLEN];
+ size_t len;
+ int code;
+
+ if (seg == AFS_UIOUSER) { /* XXX 64bit */
+ AFS_COPYINSTR(aname, tname, sizeof(tname), &len, code);
+ if (code)
+ return code;
+ return osi_lookupname(tname, seg, followlink, vpp);
+ } else
+ return osi_lookupname(CAST_DOWN(char *, aname), seg, followlink, vpp);
+
+}
+
+int
+osi_lookupname(char *aname, enum uio_seg seg, int followlink,
+ struct vnode **vpp) {
+ vfs_context_t ctx;
+ int code, flags;
+
+ flags = 0;
+ if (!followlink)
+ flags |= VNODE_LOOKUP_NOFOLLOW;
+ ctx=vfs_context_create(NULL);
+ code = vnode_lookup(aname, flags, vpp, ctx);
+ if (!code) { /* get a usecount */
+ vnode_ref(*vpp);
+ vnode_put(*vpp);
+ }
+ vfs_context_rele(ctx);
+ return code;
+}
+#else
+int
+osi_lookupname(char *aname, enum uio_seg seg, int followlink,
+ struct vnode **vpp)
+{
+ struct nameidata n;
+ int flags, error;
+ flags = 0;
+ flags = LOCKLEAF;
+ if (followlink)
+ flags |= FOLLOW;
+ else
+ flags |= NOFOLLOW;
+ NDINIT(&n, LOOKUP, flags, seg, aname, current_proc());
+ if (error = namei(&n))
+ return error;
+ *vpp = n.ni_vp;
/* should we do this? */
- VOP_UNLOCK(n.ni_vp, 0, current_proc());
- return 0;
+ VOP_UNLOCK(n.ni_vp, 0, current_proc());
+ return 0;
}
+#endif
/*
* afs_suser() returns true if the caller is superuser, false otherwise.
*
* Note that it must NOT set errno.
*/
-
-afs_suser() {
+int
+afs_suser(void *credp)
+{
int error;
- struct proc *p=current_proc();
+ struct proc *p = current_proc();
+#ifdef AFS_DARWIN80_ENV
+ if ((error = proc_suser(p)) == 0) {
+ return (1);
+ }
+ return (0);
+#else
if ((error = suser(p->p_ucred, &p->p_acflag)) == 0) {
- return(1);
+ return (1);
+ }
+ return (0);
+#endif
+}
+
+#ifdef AFS_DARWIN80_ENV
+struct uio *
+afsio_partialcopy(struct uio *auio, size_t size)
+{
+ struct uio *res;
+ int i;
+ user_addr_t iovaddr;
+ user_size_t iovsize;
+
+ if (proc_is64bit(current_proc())) {
+ res = uio_create(uio_iovcnt(auio), uio_offset(auio),
+ uio_isuserspace(auio) ? UIO_USERSPACE64 : UIO_SYSSPACE32,
+ uio_rw(auio));
+ } else {
+ res = uio_create(uio_iovcnt(auio), uio_offset(auio),
+ uio_isuserspace(auio) ? UIO_USERSPACE32 : UIO_SYSSPACE32,
+ uio_rw(auio));
+ }
+
+ for (i = 0;i < uio_iovcnt(auio) && size > 0;i++) {
+ if (uio_getiov(auio, i, &iovaddr, &iovsize))
+ break;
+ if (iovsize > size)
+ iovsize = size;
+ if (uio_addiov(res, iovaddr, iovsize))
+ break;
+ size -= iovsize;
+ }
+ return res;
+}
+
+vfs_context_t afs_osi_ctxtp;
+int afs_osi_ctxtp_initialized;
+static proc_t vfs_context_curproc;
+int vfs_context_ref;
+
+void
+get_vfs_context(void)
+{
+ int isglock = ISAFS_GLOCK();
+
+ if (!isglock)
+ AFS_GLOCK();
+ if (afs_osi_ctxtp_initialized) {
+ if (!isglock)
+ AFS_GUNLOCK();
+ return;
+ }
+ osi_Assert(vfs_context_owner != current_thread());
+ if (afs_osi_ctxtp && current_proc() == vfs_context_curproc) {
+ vfs_context_ref++;
+ vfs_context_owner = current_thread();
+ if (!isglock)
+ AFS_GUNLOCK();
+ return;
+ }
+ while (afs_osi_ctxtp && vfs_context_ref) {
+ afs_osi_Sleep(&afs_osi_ctxtp);
+ if (afs_osi_ctxtp_initialized) {
+ if (!isglock)
+ AFS_GUNLOCK();
+ return;
+ }
+ }
+ vfs_context_rele(afs_osi_ctxtp);
+ vfs_context_ref=1;
+ afs_osi_ctxtp = vfs_context_create(NULL);
+ vfs_context_owner = current_thread();
+ vfs_context_curproc = current_proc();
+ if (!isglock)
+ AFS_GUNLOCK();
+}
+
+void
+put_vfs_context(void)
+{
+ int isglock = ISAFS_GLOCK();
+
+ if (!isglock)
+ AFS_GLOCK();
+ if (afs_osi_ctxtp_initialized) {
+ if (!isglock)
+ AFS_GUNLOCK();
+ return;
}
- return(0);
+ if (vfs_context_owner == current_thread())
+ vfs_context_owner = (thread_t)0;
+ vfs_context_ref--;
+ afs_osi_Wakeup(&afs_osi_ctxtp);
+ if (!isglock)
+ AFS_GUNLOCK();
}
+
+int
+afs_cdev_nop_openclose(dev_t dev, int flags, int devtype,struct proc *p)
+{
+ return 0;
+}
+
+int
+afs_cdev_ioctl(dev_t dev, u_long cmd, caddr_t data, int fflag, struct proc *p) {
+ unsigned int retval=0;
+ int code, is64 = proc_is64bit(p);
+ struct afssysargs *a = (struct afssysargs *)data;
+ struct afssysargs64 *a64 = (struct afssysargs64 *)data;
+
+ if (((unsigned int)cmd != VIOC_SYSCALL) &&
+ ((unsigned int)cmd != VIOC_SYSCALL64))
+ return EINVAL;
+
+ if (((unsigned int)cmd == VIOC_SYSCALL64) && (is64 == 0))
+ return EINVAL;
+
+ if (((unsigned int)cmd == VIOC_SYSCALL) && (is64 != 0))
+ return EINVAL;
+
+ code=afs3_syscall(p, data, &retval);
+ if (code)
+ return code;
+
+ if ((!is64) && retval && a->syscall != AFSCALL_CALL
+ && a->param1 != AFSOP_CACHEINODE)
+ {
+ printf("SSCall(%d,%d) is returning non-error value %d\n", a->syscall, a->param1, retval);
+ }
+ if ((is64) && retval && a64->syscall != AFSCALL_CALL
+ && a64->param1 != AFSOP_CACHEINODE)
+ {
+ printf("SSCall(%d,%llx) is returning non-error value %d\n", a64->syscall, a64->param1, retval);
+ }
+
+ if (!is64)
+ a->retval = retval;
+ else
+ a64->retval = retval;
+ return 0;
+}
+
+#endif
git://git.openafs.org / openafs.git / blobdiff