direct/timothy_tests/quick_tests/test_yaffs_open_EACCES.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "test_yaffs_open_EACCES.h"
  15
  16 static int handle = -1;
  17
  18 int test_yaffs_open_EACCES(void)
  19 {
  20         int error_code=0;
  21         int output =-1;
  22         if (yaffs_access(FILE_PATH,0)!=0){
  23                 output=yaffs_close(test_yaffs_open());
  24                 if (output<0){
  25                         print_message("failed to open file\n",2);
  26                         return -1;
  27                 }
  28         }
  29
  30         output=yaffs_chmod(FILE_PATH,S_IREAD);
  31         if (output<0){
  32                 print_message("failed to chmod file\n",2);
  33                 return -1;
  34         }
  35         handle=yaffs_open(FILE_PATH, O_TRUNC| O_RDWR,FILE_MODE );
  36         if (handle <0){
  37                 error_code=yaffs_get_error();
  38                 if (abs(error_code)==EACCES){
  39                         return 1;
  40                 }
  41                 else {
  42                         print_message("different error than expected\n",2);
  43                         return -1;
  44                 }
  45         }
  46         else {
  47                 print_message("file opened with read and write permissions, chmoded to read only.(which is a bad thing)\n",2);
  48                 return -1;
  49         }
  50 }
  51
  52 int test_yaffs_open_EACCES_clean(void)
  53 {
  54         int output= -1;
  55         int output2=-1;
  56         if (handle >=0){
  57                 output2= yaffs_close(handle);
  58         }
  59         output=yaffs_chmod(FILE_PATH,S_IREAD|S_IWRITE);
  60         if (output<0){
  61                 print_message("failed to chmod file\n",2);
  62                 return -1;
  63         }
  64         return (output2&&output);
  65
  66 }
  67