servers/iso9660fs/protect.c

   1 #include "inc.h"
   2 #include <unistd.h>
   3 #include <minix/callnr.h>
   4 #include "buf.h"
   5
   6 #include <minix/vfsif.h>
   7
   8 /* This calling is used to access a particular file. */
   9 /*===========================================================================*
  10  *                              fs_access                                    *
  11  *===========================================================================*/
  12 int fs_access()
  13 {
  14   struct dir_record *rip;
  15   int r = OK;
  16
  17   /* Temporarily open the file whose access is to be checked. */
  18   caller_uid = fs_m_in.REQ_UID;
  19   caller_gid = fs_m_in.REQ_GID;
  20
  21   /* Temporarily open the file. */
  22   if ( (rip = get_dir_record(fs_m_in.REQ_INODE_NR)) == NULL) {
  23     printf("ISOFS(%d) get_dir_record by fs_access() failed\n", SELF_E);
  24     return(EINVAL);
  25   }
  26
  27   /* For now ISO9660 doesn't have permission control (read and execution to
  28    * everybody by default. So the access is always granted. */
  29
  30   release_dir_record(rip);      /* Release the dir record used */
  31   return(r);
  32 }