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Differential D10807 Diff 28771 sys/fs/ext2fs/ext2_vnops.c

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sys/fs/ext2fs/ext2_vnops.c

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#include <fs/ext2fs/fs.h> #include <fs/ext2fs/fs.h>
#include <fs/ext2fs/inode.h> #include <fs/ext2fs/inode.h>
#include <fs/ext2fs/ext2_acl.h>
#include <fs/ext2fs/ext2_extern.h> #include <fs/ext2fs/ext2_extern.h>
#include <fs/ext2fs/ext2fs.h> #include <fs/ext2fs/ext2fs.h>
#include <fs/ext2fs/ext2_dinode.h> #include <fs/ext2fs/ext2_dinode.h>
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.vop_getextattr = ext2_getextattr, .vop_getextattr = ext2_getextattr,
.vop_listextattr = ext2_listextattr, .vop_listextattr = ext2_listextattr,
.vop_setextattr = ext2_setextattr, .vop_setextattr = ext2_setextattr,
.vop_getacl = ext2_getacl,
.vop_setacl = ext2_setacl,
.vop_aclcheck = ext2_aclcheck,
.vop_vptofh = ext2_vptofh, .vop_vptofh = ext2_vptofh,
}; };
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return (error); return (error);
} }
static int
ext2_do_posix1e_acl_inheritance_dir(struct vnode *dvp, struct vnode *tvp,
mode_t dmode, struct ucred *cred, struct thread *td)
{
int error;
struct inode *ip = VTOI(tvp);
struct acl *dacl, *acl;
acl = acl_alloc(M_WAITOK);
dacl = acl_alloc(M_WAITOK);
/*
* Retrieve default ACL from parent, if any.
*/
error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
switch (error) {
case 0:
/*
* Retrieved a default ACL, so merge mode and ACL if
* necessary. If the ACL is empty, fall through to
* the "not defined or available" case.
*/
if (acl->acl_cnt != 0) {
dmode = acl_posix1e_newfilemode(dmode, acl);
ip->i_mode = dmode;
*dacl = *acl;
ext2_sync_acl_from_inode(ip, acl);
break;
}
/* FALLTHROUGH */
case EOPNOTSUPP:
/*
* Just use the mode as-is.
*/
ip->i_mode = dmode;
error = 0;
goto out;
default:
goto out;
}
error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
if (error == 0)
error = VOP_SETACL(tvp, ACL_TYPE_DEFAULT, dacl, cred, td);
switch (error) {
case 0:
break;
case EOPNOTSUPP:
/*
* XXX: This should not happen, as EOPNOTSUPP above
* was supposed to free acl.
*/
#ifdef DEBUG
printf("ext2_mkdir: VOP_GETACL() but no VOP_SETACL()\n");
#endif /* DEBUG */
break;
default:
goto out;
}
out:
acl_free(acl);
acl_free(dacl);
return (error);
}
static int
ext2_do_posix1e_acl_inheritance_file(struct vnode *dvp, struct vnode *tvp,
mode_t mode, struct ucred *cred, struct thread *td)
{
int error;
struct inode *ip = VTOI(tvp);
struct acl *acl;
acl = acl_alloc(M_WAITOK);
/*
* Retrieve default ACL for parent, if any.
*/
error = VOP_GETACL(dvp, ACL_TYPE_DEFAULT, acl, cred, td);
switch (error) {
case 0:
/*
* Retrieved a default ACL, so merge mode and ACL if
* necessary.
*/
if (acl->acl_cnt != 0) {
/*
* Two possible ways for default ACL to not
* be present. First, the EA can be
* undefined, or second, the default ACL can
* be blank. If it's blank, fall through to
* the it's not defined case.
*/
mode = acl_posix1e_newfilemode(mode, acl);
ip->i_mode = mode;
ext2_sync_acl_from_inode(ip, acl);
break;
}
/* FALLTHROUGH */
case EOPNOTSUPP:
/*
* Just use the mode as-is.
*/
ip->i_mode = mode;
error = 0;
goto out;
default:
goto out;
}
error = VOP_SETACL(tvp, ACL_TYPE_ACCESS, acl, cred, td);
switch (error) {
case 0:
break;
case EOPNOTSUPP:
/*
* XXX: This should not happen, as EOPNOTSUPP above was
pfgUnsubmitted
Not Done
Inline Actions

Not sure what this means but ext2 doesn't support softupdates.

pfg: Not sure what this means but ext2 doesn't support softupdates.
* supposed to free acl.
*/
printf("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
"but no VOP_SETACL()\n");
/* panic("ufs_do_posix1e_acl_inheritance_file: VOP_GETACL() "
"but no VOP_SETACL()"); */
break;
default:
goto out;
}
out:
acl_free(acl);
return (error);
}
/* /*
* Mkdir system call * Mkdir system call
*/ */
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ip->i_flag |= IN_CHANGE; ip->i_flag |= IN_CHANGE;
} }
if (dvp->v_mount->mnt_flag & MNT_ACLS) {
error = ext2_do_posix1e_acl_inheritance_dir(dvp, tvp, dmode,
cnp->cn_cred, cnp->cn_thread);
if (error)
goto bad;
}
/* Directory set up, now install its entry in the parent directory. */ /* Directory set up, now install its entry in the parent directory. */
error = ext2_direnter(ip, dvp, cnp); error = ext2_direnter(ip, dvp, cnp);
if (error) { if (error) {
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case _PC_NO_TRUNC: case _PC_NO_TRUNC:
*ap->a_retval = 1; *ap->a_retval = 1;
break; break;
case _PC_ACL_EXTENDED:
if (ap->a_vp->v_mount->mnt_flag & MNT_ACLS)
*ap->a_retval = 1;
else
*ap->a_retval = 0;
break;
case _PC_ACL_PATH_MAX:
if (ap->a_vp->v_mount->mnt_flag & MNT_ACLS)
*ap->a_retval = ACL_MAX_ENTRIES;
else
*ap->a_retval = 3;
break;
case _PC_MIN_HOLE_SIZE: case _PC_MIN_HOLE_SIZE:
*ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize; *ap->a_retval = ap->a_vp->v_mount->mnt_stat.f_iosize;
break; break;
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if (error) if (error)
return (error); return (error);
error = ENOATTR;
if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) { if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
error = ext2_extattr_inode_delete(ip, ap->a_attrnamespace, ap->a_name); error = ext2_extattr_inode_delete(ip, ap->a_attrnamespace, ap->a_name);
if (error != ENOATTR) if (error != ENOATTR)
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if (ap->a_size != NULL) if (ap->a_size != NULL)
*ap->a_size = 0; *ap->a_size = 0;
error = ENOATTR;
if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) { if (EXT2_INODE_SIZE(fs) != E2FS_REV0_INODE_SIZE) {
error = ext2_extattr_inode_get(ip, ap->a_attrnamespace, error = ext2_extattr_inode_get(ip, ap->a_attrnamespace,
ap->a_name, ap->a_uio, ap->a_size); ap->a_name, ap->a_uio, ap->a_size);
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error = ext2_update(tvp, !DOINGASYNC(tvp)); error = ext2_update(tvp, !DOINGASYNC(tvp));
if (error) if (error)
goto bad; goto bad;
if (dvp->v_mount->mnt_flag & MNT_ACLS) {
error = ext2_do_posix1e_acl_inheritance_file(dvp, tvp, mode,
cnp->cn_cred, cnp->cn_thread);
if (error)
goto bad;
}
error = ext2_direnter(ip, dvp, cnp); error = ext2_direnter(ip, dvp, cnp);
if (error) if (error)
goto bad; goto bad;
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