diff options
| author | peter <peter@FreeBSD.org> | 1997-03-31 12:21:37 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 1997-03-31 12:21:37 +0000 |
| commit | db96cd70748c6a478dc6c7b64b65afa26d720741 (patch) | |
| tree | af8b4bc63c48eb8e4e7a7d8939efe92619337184 /sys | |
| parent | 2f0cc1864132a7ba36ef050265322dc951cdc494 (diff) | |
| download | FreeBSD-src-db96cd70748c6a478dc6c7b64b65afa26d720741.zip FreeBSD-src-db96cd70748c6a478dc6c7b64b65afa26d720741.tar.gz | |
Code to do lchown(2), copied from chown(2) except it's NOFOLLOW in ND_INIT
instead of FOLLOW.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/vfs_extattr.c | 42 | ||||
| -rw-r--r-- | sys/kern/vfs_syscalls.c | 42 |
2 files changed, 82 insertions, 2 deletions
diff --git a/sys/kern/vfs_extattr.c b/sys/kern/vfs_extattr.c index ffc796f..d97f1ca 100644 --- a/sys/kern/vfs_extattr.c +++ b/sys/kern/vfs_extattr.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vfs_syscalls.c 8.13 (Berkeley) 4/15/94 - * $Id: vfs_syscalls.c,v 1.61 1997/03/23 20:08:11 guido Exp $ + * $Id: vfs_syscalls.c,v 1.62 1997/03/31 12:02:42 peter Exp $ */ /* @@ -1868,6 +1868,46 @@ chown(p, uap, retval) } /* + * Set ownership given a path name, do not cross symlinks. + */ +#ifndef _SYS_SYSPROTO_H_ +struct lchown_args { + char *path; + int uid; + int gid; +}; +#endif +/* ARGSUSED */ +int +lchown(p, uap, retval) + struct proc *p; + register struct lchown_args /* { + syscallarg(char *) path; + syscallarg(int) uid; + syscallarg(int) gid; + } */ *uap; + register_t *retval; +{ + register struct vnode *vp; + struct vattr vattr; + int error; + struct nameidata nd; + + NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), p); + if (error = namei(&nd)) + return (error); + vp = nd.ni_vp; + VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p); + VATTR_NULL(&vattr); + vattr.va_uid = SCARG(uap, uid); + vattr.va_gid = SCARG(uap, gid); + error = VOP_SETATTR(vp, &vattr, p->p_ucred, p); + vput(vp); + return (error); +} + +/* * Set ownership given a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index ffc796f..d97f1ca 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vfs_syscalls.c 8.13 (Berkeley) 4/15/94 - * $Id: vfs_syscalls.c,v 1.61 1997/03/23 20:08:11 guido Exp $ + * $Id: vfs_syscalls.c,v 1.62 1997/03/31 12:02:42 peter Exp $ */ /* @@ -1868,6 +1868,46 @@ chown(p, uap, retval) } /* + * Set ownership given a path name, do not cross symlinks. + */ +#ifndef _SYS_SYSPROTO_H_ +struct lchown_args { + char *path; + int uid; + int gid; +}; +#endif +/* ARGSUSED */ +int +lchown(p, uap, retval) + struct proc *p; + register struct lchown_args /* { + syscallarg(char *) path; + syscallarg(int) uid; + syscallarg(int) gid; + } */ *uap; + register_t *retval; +{ + register struct vnode *vp; + struct vattr vattr; + int error; + struct nameidata nd; + + NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_USERSPACE, SCARG(uap, path), p); + if (error = namei(&nd)) + return (error); + vp = nd.ni_vp; + VOP_LEASE(vp, p, p->p_ucred, LEASE_WRITE); + vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, p); + VATTR_NULL(&vattr); + vattr.va_uid = SCARG(uap, uid); + vattr.va_gid = SCARG(uap, gid); + error = VOP_SETATTR(vp, &vattr, p->p_ucred, p); + vput(vp); + return (error); +} + +/* * Set ownership given a file descriptor. */ #ifndef _SYS_SYSPROTO_H_ |
