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Command: vaccess | Section: 9 | Source: OpenBSD | File: vaccess.9
VACCESS(9) FreeBSD Kernel Developer's Manual VACCESS(9)
NAME
vaccess - check access permissions based on vnode parameters
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
int
vaccess(enum vtype type, mode_t file_mode, uid_t uid, gid_t gid,
mode_t acc_mode, struct ucred *cred);
DESCRIPTION
The vaccess() function checks if the credentials described in cred are
sufficient to perform the operation described by acc_mode, based on the
type, file_mode, uid, and gid arguments. These arguments would typically
be based on the vnode being accessed.
file_mode is the current mode of the file that is having access checked.
The uid and gid arguments are the user id and group id representing the
owner of the file. acc_mode describes the operation desired. It should
be one of VREAD, VWRITE, or VEXEC representing read, write, and execute,
respectively.
RETURN VALUES
vaccess() will return 0 on success, or a non-zero error value on failure.
ERRORS
[EACCES] Permission denied. An attempt was made to access a
file in a way forbidden by its file access
permissions.
SEE ALSO
vnode(9)
HISTORY
This man page was originally written by Robert Watson for FreeBSD. It
was modified to represent the OpenBSD implementation by Peter Werner.
FreeBSD 14.1-RELEASE-p8 June 4, 2013 FreeBSD 14.1-RELEASE-p8