direct/test-framework/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
  24                 handle = yaffs_open(FILE_PATH, O_CREAT | O_RDWR, FILE_MODE);
  25
  26                 output=yaffs_close(handle);
  27                 if (output<0){
  28                         print_message("failed to open file\n",2);
  29                         return -1;
  30                 }
  31         }
  32
  33         output=yaffs_chmod(FILE_PATH,S_IREAD);
  34         if (output<0){
  35                 print_message("failed to chmod file\n",2);
  36                 return -1;
  37         }
  38         handle=yaffs_open(FILE_PATH, O_TRUNC| O_RDWR,FILE_MODE );
  39         if (handle <0){
  40                 error_code=yaffs_get_error();
  41                 if (abs(error_code)==EACCES){
  42                         return 1;
  43                 }
  44                 else {
  45                         print_message("different error than expected\n",2);
  46                         return -1;
  47                 }
  48         }
  49         else {
  50                 print_message("file opened with read and write permissions, chmoded to read only.(which is a bad thing)\n",2);
  51                 return -1;
  52         }
  53 }
  54
  55 int test_yaffs_open_EACCES_clean(void)
  56 {
  57         int output= -1;
  58         int output2=-1;
  59         if (handle >=0){
  60                 output2= yaffs_close(handle);
  61         }
  62         output=yaffs_chmod(FILE_PATH,S_IREAD|S_IWRITE);
  63         if (output<0){
  64                 print_message("failed to chmod file\n",2);
  65                 return -1;
  66         }
  67         return (output2&&output);
  68
  69 }
  70