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vfs: define VFS_OPEN_HOW_RESOLVE_NO_SYMLINKS

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This will allow us to make use of openat2(RESOLVE_NO_SYMLINKS) soon.

The caller should check if connection_struct.open_how_resolve contains
VFS_OPEN_HOW_RESOLVE_NO_SYMLINKS before using it, this avoids waisting
cpu time. But even then the caller must be prepared to handle -1/ENOSYS.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Volker Lendecke 2022-06-03 16:45:41 +02:00
parent ae1a84f731
commit f7dc275583
1 changed files with 3 additions and 0 deletions
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source3/include/vfs.h
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@ -716,6 +716,7 @@ typedef struct connection_struct {
bool ipc;
bool read_only; /* Attributes for the current user of the share. */
bool have_proc_fds;
uint64_t open_how_resolve; /* supported vfs_open_how.resolve features */
uint32_t share_access;
/* Does this filesystem honor
sub second timestamps on files
@ -905,6 +906,8 @@ struct vfs_aio_state {
uint64_t duration;
};
#define VFS_OPEN_HOW_RESOLVE_NO_SYMLINKS 1
struct vfs_open_how {
int flags;
mode_t mode;