Differential D14172 Diff 38899 head/sys/kern/vfs_extattr.c

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head/sys/kern/vfs_extattr.c

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/*		/*
* Syscall to push extended attribute configuration information into the VFS.		* Syscall to push extended attribute configuration information into the VFS.
* Accepts a path, which it converts to a mountpoint, as well as a command		* Accepts a path, which it converts to a mountpoint, as well as a command
* (int cmd), and attribute name and misc data.		* (int cmd), and attribute name and misc data.
*		*
* Currently this is used only by UFS1 extended attributes.		* Currently this is used only by UFS1 extended attributes.
*/		*/
int		#ifndef _SYS_SYSPROTO_H_
sys_extattrctl(td, uap)		struct extattrctl_args {
struct thread *td;
struct extattrctl_args /* {
const char *path;		const char *path;
int cmd;		int cmd;
const char *filename;		const char *filename;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
} / uap;		};
		#endif
		int
		sys_extattrctl(struct thread td, struct extattrctl_args uap)
{		{
struct vnode *filename_vp;		struct vnode *filename_vp;
struct nameidata nd;		struct nameidata nd;
struct mount mp, mp_writable;		struct mount mp, mp_writable;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_CMD(uap->cmd);		AUDIT_ARG_CMD(uap->cmd);
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#ifdef MAC		#ifdef MAC
done:		done:
#endif		#endif
VOP_UNLOCK(vp, 0);		VOP_UNLOCK(vp, 0);
vn_finished_write(mp);		vn_finished_write(mp);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_set_fd(td, uap)		struct extattr_set_fd_args {
struct thread *td;
struct extattr_set_fd_args /* {
int fd;		int fd;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_set_fd(struct thread td, struct extattr_set_fd_args uap)
{		{
struct file *fp;		struct file *fp;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
cap_rights_t rights;		cap_rights_t rights;
int error;		int error;

AUDIT_ARG_FD(uap->fd);		AUDIT_ARG_FD(uap->fd);
AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
Show All 9 Lines	sys_extattr_set_fd(struct thread td, struct extattr_set_fd_args uap)

error = extattr_set_vp(fp->f_vnode, uap->attrnamespace,		error = extattr_set_vp(fp->f_vnode, uap->attrnamespace,
attrname, uap->data, uap->nbytes, td);		attrname, uap->data, uap->nbytes, td);
fdrop(fp, td);		fdrop(fp, td);

return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_set_file(td, uap)		struct extattr_set_file_args {
struct thread *td;
struct extattr_set_file_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_set_file(struct thread td, struct extattr_set_file_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
Show All 9 Lines	sys_extattr_set_file(struct thread td, struct extattr_set_file_args uap)

error = extattr_set_vp(nd.ni_vp, uap->attrnamespace, attrname,		error = extattr_set_vp(nd.ni_vp, uap->attrnamespace, attrname,
uap->data, uap->nbytes, td);		uap->data, uap->nbytes, td);

vrele(nd.ni_vp);		vrele(nd.ni_vp);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_set_link(td, uap)		struct extattr_set_link_args {
struct thread *td;
struct extattr_set_link_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_set_link(struct thread td, struct extattr_set_link_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
▲ Show 20 Lines • Show All 79 Lines • ▼ Show 20 Lines	if (auiop != NULL) {
td->td_retval[0] = size;		td->td_retval[0] = size;
#ifdef MAC		#ifdef MAC
done:		done:
#endif		#endif
VOP_UNLOCK(vp, 0);		VOP_UNLOCK(vp, 0);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_get_fd(td, uap)		struct extattr_get_fd_args {
struct thread *td;
struct extattr_get_fd_args /* {
int fd;		int fd;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_get_fd(struct thread td, struct extattr_get_fd_args uap)
{		{
struct file *fp;		struct file *fp;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
cap_rights_t rights;		cap_rights_t rights;
int error;		int error;

AUDIT_ARG_FD(uap->fd);		AUDIT_ARG_FD(uap->fd);
AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
Show All 9 Lines	sys_extattr_get_fd(struct thread td, struct extattr_get_fd_args uap)

error = extattr_get_vp(fp->f_vnode, uap->attrnamespace,		error = extattr_get_vp(fp->f_vnode, uap->attrnamespace,
attrname, uap->data, uap->nbytes, td);		attrname, uap->data, uap->nbytes, td);

fdrop(fp, td);		fdrop(fp, td);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_get_file(td, uap)		struct extattr_get_file_args {
struct thread *td;
struct extattr_get_file_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_get_file(struct thread td, struct extattr_get_file_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
return (error);		return (error);
AUDIT_ARG_TEXT(attrname);		AUDIT_ARG_TEXT(attrname);

NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);		NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);
error = namei(&nd);		error = namei(&nd);
if (error)		if (error)
return (error);		return (error);
NDFREE(&nd, NDF_ONLY_PNBUF);		NDFREE(&nd, NDF_ONLY_PNBUF);

error = extattr_get_vp(nd.ni_vp, uap->attrnamespace, attrname,		error = extattr_get_vp(nd.ni_vp, uap->attrnamespace, attrname,
uap->data, uap->nbytes, td);		uap->data, uap->nbytes, td);

vrele(nd.ni_vp);		vrele(nd.ni_vp);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_get_link(td, uap)		struct extattr_get_link_args {
struct thread *td;
struct extattr_get_link_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_get_link(struct thread td, struct extattr_get_link_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
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#ifdef MAC		#ifdef MAC
done:		done:
#endif		#endif
VOP_UNLOCK(vp, 0);		VOP_UNLOCK(vp, 0);
vn_finished_write(mp);		vn_finished_write(mp);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_delete_fd(td, uap)		struct extattr_delete_fd_args {
struct thread *td;
struct extattr_delete_fd_args /* {
int fd;		int fd;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
} / uap;		};
		#endif
		int
		sys_extattr_delete_fd(struct thread td, struct extattr_delete_fd_args uap)
{		{
struct file *fp;		struct file *fp;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
cap_rights_t rights;		cap_rights_t rights;
int error;		int error;

AUDIT_ARG_FD(uap->fd);		AUDIT_ARG_FD(uap->fd);
AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
return (error);		return (error);
AUDIT_ARG_TEXT(attrname);		AUDIT_ARG_TEXT(attrname);

error = getvnode(td, uap->fd,		error = getvnode(td, uap->fd,
cap_rights_init(&rights, CAP_EXTATTR_DELETE), &fp);		cap_rights_init(&rights, CAP_EXTATTR_DELETE), &fp);
if (error)		if (error)
return (error);		return (error);

error = extattr_delete_vp(fp->f_vnode, uap->attrnamespace,		error = extattr_delete_vp(fp->f_vnode, uap->attrnamespace,
attrname, td);		attrname, td);
fdrop(fp, td);		fdrop(fp, td);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_delete_file(td, uap)		struct extattr_delete_file_args {
struct thread *td;
struct extattr_delete_file_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
} / uap;		};
		#endif
		int
		sys_extattr_delete_file(struct thread td, struct extattr_delete_file_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
return(error);		return(error);
AUDIT_ARG_TEXT(attrname);		AUDIT_ARG_TEXT(attrname);

NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);		NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);
error = namei(&nd);		error = namei(&nd);
if (error)		if (error)
return(error);		return(error);
NDFREE(&nd, NDF_ONLY_PNBUF);		NDFREE(&nd, NDF_ONLY_PNBUF);

error = extattr_delete_vp(nd.ni_vp, uap->attrnamespace, attrname, td);		error = extattr_delete_vp(nd.ni_vp, uap->attrnamespace, attrname, td);
vrele(nd.ni_vp);		vrele(nd.ni_vp);
return(error);		return(error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_delete_link(td, uap)		struct extattr_delete_link_args {
struct thread *td;
struct extattr_delete_link_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
const char *attrname;		const char *attrname;
} / uap;		};
		#endif
		int
		sys_extattr_delete_link(struct thread td, struct extattr_delete_link_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
char attrname[EXTATTR_MAXNAMELEN];		char attrname[EXTATTR_MAXNAMELEN];
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);		error = copyinstr(uap->attrname, attrname, EXTATTR_MAXNAMELEN, NULL);
if (error)		if (error)
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#ifdef MAC		#ifdef MAC
done:		done:
#endif		#endif
VOP_UNLOCK(vp, 0);		VOP_UNLOCK(vp, 0);
return (error);		return (error);
}		}


int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_list_fd(td, uap)		struct extattr_list_fd_args {
struct thread *td;
struct extattr_list_fd_args /* {
int fd;		int fd;
int attrnamespace;		int attrnamespace;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_list_fd(struct thread td, struct extattr_list_fd_args uap)
{		{
struct file *fp;		struct file *fp;
cap_rights_t rights;		cap_rights_t rights;
int error;		int error;

AUDIT_ARG_FD(uap->fd);		AUDIT_ARG_FD(uap->fd);
AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
error = getvnode(td, uap->fd,		error = getvnode(td, uap->fd,
cap_rights_init(&rights, CAP_EXTATTR_LIST), &fp);		cap_rights_init(&rights, CAP_EXTATTR_LIST), &fp);
if (error)		if (error)
return (error);		return (error);

error = extattr_list_vp(fp->f_vnode, uap->attrnamespace, uap->data,		error = extattr_list_vp(fp->f_vnode, uap->attrnamespace, uap->data,
uap->nbytes, td);		uap->nbytes, td);

fdrop(fp, td);		fdrop(fp, td);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_list_file(td, uap)		struct extattr_list_file_args {
struct thread*td;
struct extattr_list_file_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		}
		#endif
		int
		sys_extattr_list_file(struct thread td, struct extattr_list_file_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);		NDINIT(&nd, LOOKUP, FOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path, td);
error = namei(&nd);		error = namei(&nd);
if (error)		if (error)
return (error);		return (error);
NDFREE(&nd, NDF_ONLY_PNBUF);		NDFREE(&nd, NDF_ONLY_PNBUF);

error = extattr_list_vp(nd.ni_vp, uap->attrnamespace, uap->data,		error = extattr_list_vp(nd.ni_vp, uap->attrnamespace, uap->data,
uap->nbytes, td);		uap->nbytes, td);

vrele(nd.ni_vp);		vrele(nd.ni_vp);
return (error);		return (error);
}		}

int		#ifndef _SYS_SYSPROTO_H_
sys_extattr_list_link(td, uap)		struct extattr_list_link_args {
struct thread*td;
struct extattr_list_link_args /* {
const char *path;		const char *path;
int attrnamespace;		int attrnamespace;
void *data;		void *data;
size_t nbytes;		size_t nbytes;
} / uap;		};
		#endif
		int
		sys_extattr_list_link(struct thread td, struct extattr_list_link_args uap)
{		{
struct nameidata nd;		struct nameidata nd;
int error;		int error;

AUDIT_ARG_VALUE(uap->attrnamespace);		AUDIT_ARG_VALUE(uap->attrnamespace);
NDINIT(&nd, LOOKUP, NOFOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path,		NDINIT(&nd, LOOKUP, NOFOLLOW \| AUDITVNODE1, UIO_USERSPACE, uap->path,
td);		td);
error = namei(&nd);		error = namei(&nd);
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