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Differential D2812 Diff 6190 sys/sys/namei.h

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sys/sys/namei.h

Show First 20 Lines • Show All 67 Lines • ▼ Show 20 Linesstruct nameidata {
cap_rights_t ni_rightsneeded; /* rights required to look up vnode */ cap_rights_t ni_rightsneeded; /* rights required to look up vnode */
/* /*
* Arguments to lookup. * Arguments to lookup.
*/ */
struct vnode *ni_startdir; /* starting directory */ struct vnode *ni_startdir; /* starting directory */
struct vnode *ni_rootdir; /* logical root directory */ struct vnode *ni_rootdir; /* logical root directory */
struct vnode *ni_topdir; /* logical top directory */ struct vnode *ni_topdir; /* logical top directory */
int ni_dirfd; /* starting directory for *at functions */ int ni_dirfd; /* starting directory for *at functions */
int ni_strictrelative; /* relative lookup only; no '..' */ int ni_nonrelativeerrno; /* errno for non-relative (..) lookup */
/* /*
* Results: returned from namei * Results: returned from namei
*/ */
struct filecaps ni_filecaps; /* rights the *at base has */ struct filecaps ni_filecaps; /* rights the *at base has */
/* /*
* Results: returned from/manipulated by lookup * Results: returned from/manipulated by lookup
*/ */
struct vnode *ni_vp; /* vnode of result */ struct vnode *ni_vp; /* vnode of result */
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#define ISUNICODE 0x00100000 /* current component name is unicode*/ #define ISUNICODE 0x00100000 /* current component name is unicode*/
#define ISOPEN 0x00200000 /* caller is opening; return a real vnode. */ #define ISOPEN 0x00200000 /* caller is opening; return a real vnode. */
#define NOCROSSMOUNT 0x00400000 /* do not cross mount points */ #define NOCROSSMOUNT 0x00400000 /* do not cross mount points */
#define NOMACCHECK 0x00800000 /* do not perform MAC checks */ #define NOMACCHECK 0x00800000 /* do not perform MAC checks */
#define AUDITVNODE1 0x04000000 /* audit the looked up vnode information */ #define AUDITVNODE1 0x04000000 /* audit the looked up vnode information */
#define AUDITVNODE2 0x08000000 /* audit the looked up vnode information */ #define AUDITVNODE2 0x08000000 /* audit the looked up vnode information */
#define TRAILINGSLASH 0x10000000 /* path ended in a slash */ #define TRAILINGSLASH 0x10000000 /* path ended in a slash */
#define NOCAPCHECK 0x20000000 /* do not perform capability checks */ #define NOCAPCHECK 0x20000000 /* do not perform capability checks */
#define PARAMASK 0x3ffffe00 /* mask of parameter descriptors */ #define BENEATH 0x40000000 /* strict downwards-only lookup */
#define PARAMASK 0x7ffffe00 /* mask of parameter descriptors */
/* /*
* Initialization of a nameidata structure. * Initialization of a nameidata structure.
*/ */
#define NDINIT(ndp, op, flags, segflg, namep, td) \ #define NDINIT(ndp, op, flags, segflg, namep, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, NULL, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, NULL, 0, td)
#define NDINIT_AT(ndp, op, flags, segflg, namep, dirfd, td) \ #define NDINIT_AT(ndp, op, flags, segflg, namep, dirfd, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, 0, td)
#define NDINIT_ATRIGHTS(ndp, op, flags, segflg, namep, dirfd, rightsp, td) \ #define NDINIT_ATRIGHTS(ndp, op, flags, segflg, namep, dirfd, rightsp, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, rightsp, td) NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, rightsp, td)
#define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \ #define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, 0, td)
void NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags, void NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags,
enum uio_seg segflg, const char *namep, int dirfd, struct vnode *startdir, enum uio_seg segflg, const char *namep, int dirfd, struct vnode *startdir,
cap_rights_t *rightsp, struct thread *td); cap_rights_t *rightsp, struct thread *td);
/*
* Set the ni_nonrelativeerrno field of a struct nameidata according to a
* monotonically-increasing policy.
*/
void ndrequire_strict_relative_lookups(struct nameidata*, int errnum);
#define NDF_NO_DVP_RELE 0x00000001 #define NDF_NO_DVP_RELE 0x00000001
#define NDF_NO_DVP_UNLOCK 0x00000002 #define NDF_NO_DVP_UNLOCK 0x00000002
#define NDF_NO_DVP_PUT 0x00000003 #define NDF_NO_DVP_PUT 0x00000003
#define NDF_NO_VP_RELE 0x00000004 #define NDF_NO_VP_RELE 0x00000004
#define NDF_NO_VP_UNLOCK 0x00000008 #define NDF_NO_VP_UNLOCK 0x00000008
#define NDF_NO_VP_PUT 0x0000000c #define NDF_NO_VP_PUT 0x0000000c
#define NDF_NO_STARTDIR_RELE 0x00000010 #define NDF_NO_STARTDIR_RELE 0x00000010
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