minix/servers/iso9660fs/protect.c
2012-03-25 21:58:14 +02:00

32 lines
952 B
C

#include "inc.h"
#include <unistd.h>
#include <minix/callnr.h>
#include "buf.h"
#include <minix/vfsif.h>
/* This calling is used to access a particular file. */
/*===========================================================================*
* fs_access *
*===========================================================================*/
int fs_access()
{
struct dir_record *rip;
int r = OK;
/* Temporarily open the file whose access is to be checked. */
caller_uid = fs_m_in.REQ_UID;
caller_gid = fs_m_in.REQ_GID;
/* Temporarily open the file. */
if ( (rip = get_dir_record(fs_m_in.REQ_INODE_NR)) == NULL) {
printf("ISOFS(%d) get_dir_record by fs_access() failed\n", SELF_E);
return(EINVAL);
}
/* For now ISO9660 doesn't have permission control (read and execution to
* everybody by default. So the access is always granted. */
release_dir_record(rip); /* Release the dir record used */
return(r);
}