release/src/router/vsftpd/access.c

   1 /*
   2  * Part of Very Secure FTPd
   3  * Licence: GPL v2
   4  * Author: Chris Evans
   5  * access.c
   6  *
   7  * Routines to do very very simple access control based on filenames.
   8  */
   9
  10 #include "access.h"
  11 #include "ls.h"
  12 #include "tunables.h"
  13 #include "str.h"
  14
  15 int
  16 vsf_access_check_file(const struct mystr* p_filename_str)
  17 {
  18   static struct mystr s_access_str;
  19   unsigned int iters = 0;
  20
  21   if (!tunable_deny_file)
  22   {
  23     return 1;
  24   }
  25   if (str_isempty(&s_access_str))
  26   {
  27     str_alloc_text(&s_access_str, tunable_deny_file);
  28   }
  29   if (vsf_filename_passes_filter(p_filename_str, &s_access_str, &iters))
  30   {
  31     return 0;
  32   }
  33   else
  34   {
  35     struct str_locate_result loc_res =
  36       str_locate_str(p_filename_str, &s_access_str);
  37     if (loc_res.found)
  38     {
  39       return 0;
  40     }
  41   }
  42   return 1;
  43 }
  44
  45 int
  46 vsf_access_check_file_visible(const struct mystr* p_filename_str)
  47 {
  48   static struct mystr s_access_str;
  49   unsigned int iters = 0;
  50
  51   if (!tunable_hide_file)
  52   {
  53     return 1;
  54   }
  55   if (str_isempty(&s_access_str))
  56   {
  57     str_alloc_text(&s_access_str, tunable_hide_file);
  58   }
  59   if (vsf_filename_passes_filter(p_filename_str, &s_access_str, &iters))
  60   {
  61     return 0;
  62   }
  63   else
  64   {
  65     struct str_locate_result loc_res =
  66       str_locate_str(p_filename_str, &s_access_str);
  67     if (loc_res.found)
  68     {
  69       return 0;
  70     }
  71   }
  72   return 1;
  73 }
  74